Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / Input / Stylus / TabletCollection.cs / 1 / TabletCollection.cs
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
using System;
using System.Diagnostics;
using System.Windows;
using System.Collections;
using System.Globalization;
using System.Windows.Media;
using MS.Utility;
using System.Security;
using System.Security.Permissions;
using MS.Internal;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
using MS.Win32.Penimc;
using System.Runtime.InteropServices;
using MS.Win32;
using Microsoft.Win32;
namespace System.Windows.Input
{
/////////////////////////////////////////////////////////////////////////
///
/// Collection of the tablet devices that are available on the machine.
///
public class TabletDeviceCollection : ICollection, IEnumerable
{
const int VistaMajorVersion = 6;
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
///
/// Critical: Calls ShouldEnableTablets
///
[SecurityCritical]
internal TabletDeviceCollection()
{
StylusLogic stylusLogic = StylusLogic.CurrentStylusLogic;
bool enabled = stylusLogic.Enabled;
if (!enabled)
{
enabled = ShouldEnableTablets();
}
// If enabled or we are a tabletpc (vista sets dynamically if digitizers present) then enable the pen!
if (enabled)
{
UpdateTablets(); // Create the tablet device collection!
// Enable stylus input on all hwnds if we have not yet done so.
if (!stylusLogic.Enabled)
{
stylusLogic.EnableCore();
}
}
}
///
/// Checks if Tablets should be enabled.
///
///
/// Critical: Calls SecurityCritical routines (IsWisptisRegistered,
/// HasTabletDevices, UnsafeNativeMethods.GetSystemMetrics,
/// PenThreadPool.GetPenThreadForPenContext, PenThread.WorkerGetTabletsInfo,
/// TabletDevice constructor, StylusLogic.EnableCore and
/// StylusLogic.CurrentStylusLogic).
///
[SecurityCritical]
internal static bool ShouldEnableTablets()
{
bool enabled = false;
// We only want to enable by default if Wisptis is registered and tablets are detected.
// We do the same detection on all OS versions.
//
// NOTE: This code does not support the new Vista wisptis feature to be able to exclude
// tablet devices using a special registy key. The only side effect of not supporting
// this feature is that we would go ahead and load wisptis when we really don't need to
// (since wisptis would not return us any tablet devices). This should be a fairly rare
// case though.
if (IsWisptisRegistered() && HasTabletDevices())
{
enabled = true; // start up wisptis
}
return enabled;
}
///
/// Critical - Asserts read registry permission...
/// - TreatAsSafe boundry is HwndSource constructor and Tablet.TabletDevices.
/// - called by this objects constructor
///
[SecurityCritical]
private static bool IsWisptisRegistered()
{
bool fRegistered = false;
RegistryKey key = null; // This object has finalizer to close the key.
Object valDefault = null;
bool runningOnVista = (Environment.OSVersion.Version.Major >= VistaMajorVersion);
string keyToAssertPermissionFor =
runningOnVista ?
"HKEY_CLASSES_ROOT\\Interface\\{C247F616-BBEB-406A-AED3-F75E656599AE}" :
"HKEY_CLASSES_ROOT\\CLSID\\{A5B020FD-E04B-4e67-B65A-E7DEED25B2CF}\\LocalServer32";
string subkeyToOpen =
runningOnVista ?
"Interface\\{C247F616-BBEB-406A-AED3-F75E656599AE}" :
"CLSID\\{A5B020FD-E04B-4e67-B65A-E7DEED25B2CF}\\LocalServer32";
string valueToSearchFor =
runningOnVista ?
"ITablet2" :
"wisptis.exe";
// Perform the OS specific check for wisptis
new RegistryPermission(RegistryPermissionAccess.Read, keyToAssertPermissionFor).Assert(); // BlessedAssert
try
{
key = Registry.ClassesRoot.OpenSubKey(subkeyToOpen);
if (key != null)
{
valDefault = key.GetValue("");
}
}
finally
{
RegistryPermission.RevertAssert();
}
if (key != null)
{
string sValDefault = valDefault as string;
if (sValDefault != null && sValDefault.LastIndexOf(valueToSearchFor, StringComparison.OrdinalIgnoreCase) != -1)
{
fRegistered = true;
}
key.Close();
}
return fRegistered;
}
///
/// Critical - Calls critical methods (GetRawInputDeviceList, GetRawInputDeviceInfo, Marshal.SizeOf).
/// - TreatAsSafe boundry is HwndSource constructor and Tablet.TabletDevices.
/// - called by constructor
///
[SecurityCritical]
private static bool HasTabletDevices()
{
uint deviceCount = 0;
// Determine the number of devices first (result will be -1 if fails and cDevices will have count)
int result = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceList(null, ref deviceCount, (uint)Marshal.SizeOf(typeof(NativeMethods.RAWINPUTDEVICELIST)));
if (result >= 0 && deviceCount != 0)
{
NativeMethods.RAWINPUTDEVICELIST[] ridl = new NativeMethods.RAWINPUTDEVICELIST[deviceCount];
int count = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceList(ridl, ref deviceCount, (uint)Marshal.SizeOf(typeof(NativeMethods.RAWINPUTDEVICELIST)));
if (count > 0)
{
for (int i = 0; i < count; i++)
{
if (ridl[i].dwType == NativeMethods.RIM_TYPEHID)
{
NativeMethods.RID_DEVICE_INFO deviceInfo = new NativeMethods.RID_DEVICE_INFO();
deviceInfo.cbSize = (uint)Marshal.SizeOf(typeof(NativeMethods.RID_DEVICE_INFO));
uint cbSize = (uint)deviceInfo.cbSize;
int cBytes = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceInfo(ridl[i].hDevice, NativeMethods.RIDI_DEVICEINFO, ref deviceInfo, ref cbSize);
if (cBytes > 0)
{
if (deviceInfo.hid.usUsagePage == NativeMethods.HID_USAGE_PAGE_DIGITIZER)
{
switch (deviceInfo.hid.usUsage)
{
case NativeMethods.HID_USAGE_DIGITIZER_DIGITIZER:
case NativeMethods.HID_USAGE_DIGITIZER_PEN:
case NativeMethods.HID_USAGE_DIGITIZER_TOUCHSCREEN:
case NativeMethods.HID_USAGE_DIGITIZER_LIGHTPEN:
{
return true;
}
}
}
}
else
{
System.Diagnostics.Debug.WriteLine("TabletDeviceCollection: GetRawInputDeviceInfo failed!");
}
}
}
}
else if (count < 0)
{
System.Diagnostics.Debug.WriteLine("TabletDeviceCollection: GetRawInputDeviceList failed!");
}
}
return false;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTabletCount, GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal void UpdateTablets()
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
// REENTRANCY NOTE: Let a PenThread do this work to avoid reentrancy!
// On return you get entire list of tablet and info needed to
// create all the tablet devices (and stylus device info gets
// cached too in penimc which avoids calls to wisptis.exe).
// Use existing penthread if we have one otherwise grab an available one.
PenThread penThread = _tablets.Length > 0 ? _tablets[0].PenThread :
PenThreadPool.GetPenThreadForPenContext(null);
TabletDeviceInfo [] tabletdevices = penThread.WorkerGetTabletsInfo();
// First find out the index of the mouse device (usually the first at index 0)
uint indexMouseTablet = UInt32.MaxValue;
for (uint i = 0; i < tabletdevices.Length; i++)
{
// See if this is a bogus entry first.
if (tabletdevices[i].PimcTablet == null) continue;
// If it is the mouse tablet device we want to ignore it.
if (tabletdevices[i].DeviceType == (TabletDeviceType)(-1))
{
indexMouseTablet = i;
tabletdevices[i].PimcTablet = null; // ignore this one!
}
}
// Now figure out count of valid tablet devices left
uint count = 0;
for (uint k = 0; k < tabletdevices.Length; k++)
{
if (tabletdevices[k].PimcTablet != null) count++;
}
TabletDevice[] tablets = new TabletDevice[count];
uint tabletsIndex = 0;
for (uint iTablet = 0; iTablet < tabletdevices.Length; iTablet++)
{
if (tabletdevices[iTablet].PimcTablet == null)
{
continue; // Skip looking at this index (mouse and bogus tablets are ignored).
}
int id = tabletdevices[iTablet].Id;
// First see if same index has not changed (typical case)
if (tabletsIndex < _tablets.Length && _tablets[tabletsIndex].Id == id)
{
tablets[tabletsIndex] = _tablets[tabletsIndex];
_tablets[tabletsIndex] = null; // clear to ignore on cleanup pass.
}
else
{
// Look up and see if we have this tabletdevice created already...
TabletDevice tablet = null;
for (uint i = 0; i < _tablets.Length; i++)
{
if (_tablets[i] != null && _tablets[i].Id == id)
{
tablet = _tablets[i];
_tablets[i] = null; // clear it so we don't dispose it.
break;
}
}
// Not found so create it.
if (tablet == null)
{
try
{
tablet = new TabletDevice(tabletdevices[iTablet], penThread);
}
catch (InvalidOperationException ex)
{
// This is caused by the Stylus ID not being unique when trying
// to register it in the StylusLogic.__stylusDeviceMap. If we
// come across a dup then just ignore registering this tablet device.
// There seems to be an issue in wisptis where different tablet IDs get
// duplicate Stylus Ids when installing the VHID test devices.
if (ex.Data.Contains("System.Windows.Input.StylusLogic"))
{
continue; // Just go to next without adding this one.
}
else
{
throw; // not an expected exception, rethrow it.
}
}
}
tablets[tabletsIndex] = tablet;
}
tabletsIndex++;
}
// See if we need to re alloc the array due to invalid tabletdevice being seen.
if (tabletsIndex != count)
{
TabletDevice[] updatedTablets = new TabletDevice[tabletsIndex];
Array.Copy(tablets, 0, updatedTablets, 0, tabletsIndex);
tablets = updatedTablets;
}
DisposeTablets(); // Clean up any non null TabletDevice entries on old array.
_tablets = tablets; // set updated tabletdevice array
_indexMouseTablet = indexMouseTablet;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal bool HandleTabletAdded(uint wisptisIndex, ref uint tabletIndexChanged)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
tabletIndexChanged = UInt32.MaxValue;
// REENTRANCY NOTE: Let a PenThread do this work to avoid reentrancy!
// On return you get the tablet info needed to
// create a tablet devices (and stylus device info gets
// cached in penimc too which avoids calls to wisptis.exe).
// Use existing penthread if we have one otherwise grab an available one.
PenThread penThread = _tablets.Length > 0 ? _tablets[0].PenThread :
PenThreadPool.GetPenThreadForPenContext(null);
TabletDeviceInfo tabletInfo = penThread.WorkerGetTabletInfo(wisptisIndex);
// If we failed due to a COM exception on the pen thread then return
if (tabletInfo.PimcTablet == null)
{
return true; // make sure we rebuild our tablet collection. (return true + MaxValue).
}
// if mouse tabletdevice then ignore it.
if (tabletInfo.DeviceType == (TabletDeviceType)(-1))
{
_indexMouseTablet = wisptisIndex; // update index.
return false; // TabletDevices did not change.
}
// Now see if this is a duplicate add call we want to filter out (ie - already added to tablet collection).
uint indexFound = UInt32.MaxValue;
for (uint i = 0; i < _tablets.Length; i++)
{
// If it is the mouse tablet device we want to ignore it.
if (_tablets[i].Id == tabletInfo.Id)
{
indexFound = i;
break;
}
}
// We only want to add this if it is not currently in the collection. Wisptis will send
// us duplicate adds at times so this is a work around for that issue.
uint tabletIndex = UInt32.MaxValue;
if (indexFound == UInt32.MaxValue)
{
tabletIndex = wisptisIndex;
if (tabletIndex > _indexMouseTablet)
{
tabletIndex--;
}
else
{
_indexMouseTablet++;
}
// if index is out of range then ignore it. Return of MaxValue causes a rebuild of the devices.
if (tabletIndex <= _tablets.Length)
{
try
{
// Add new tablet at end of collection
AddTablet(tabletIndex, new TabletDevice(tabletInfo, penThread));
}
catch (InvalidOperationException ex)
{
// This is caused by the Stylus ID not being unique when trying
// to register it in the StylusLogic.__stylusDeviceMap. If we
// come across a dup then we should rebuild the tablet device collection.
// There seems to be an issue in wisptis where different tablet IDs get
// duplicate Stylus Ids when installing the VHID test devices.
if (ex.Data.Contains("System.Windows.Input.StylusLogic"))
{
return true; // trigger the tabletdevices to be rebuilt.
}
else
{
throw; // not an expected exception, rethrow it.
}
}
tabletIndexChanged = tabletIndex;
return true;
}
else
{
return true; // bogus index. Return true so that the caller can rebuild the collection.
}
}
else
{
return false; // We found this tablet device already. Don't do anything.
}
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code RemoveTablet.
///
[SecurityCritical]
internal uint HandleTabletRemoved(uint wisptisIndex)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
// if mouse tabletdevice then ignore it.
if (wisptisIndex == _indexMouseTablet)
{
_indexMouseTablet = UInt32.MaxValue;
return UInt32.MaxValue; // Don't process this notification any further.
}
uint tabletIndex = wisptisIndex;
if (wisptisIndex > _indexMouseTablet)
{
tabletIndex--;
}
else
{
// Must be less than _indexMouseTablet since equality is done above.
_indexMouseTablet--;
}
// if index is out of range then ignore it.
if (tabletIndex >= _tablets.Length)
{
return UInt32.MaxValue; // Don't process this notification any further.
}
// Remove tablet from collection
RemoveTablet(tabletIndex);
return tabletIndex;
}
/////////////////////////////////////////////////////////////////////
// NOTE: This routine takes indexes that are in the TabletCollection range
// and not in the wisptis tablet index range.
///
/// Critical: calls into SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
void AddTablet(uint index, TabletDevice tabletDevice)
{
Debug.Assert(index <= Count);
Debug.Assert(tabletDevice.Type != (TabletDeviceType)(-1)); // make sure not the mouse tablet device!
TabletDevice[] newTablets = new TabletDevice[Count + 1];
uint preCopyCount = index;
uint postCopyCount = (uint)_tablets.Length - index;
Array.Copy(_tablets, 0, newTablets, 0, preCopyCount);
newTablets[index] = tabletDevice;
Array.Copy(_tablets, index, newTablets, index+1, postCopyCount);
_tablets = newTablets;
}
/////////////////////////////////////////////////////////////////////
// NOTE: This routine takes indexes that are in the TabletCollection range
// and not in the wisptis tablet index range.
///
/// Critical: calls SecurityCritical code TabletDevice.Dispose.
/// and StylusLogic.SelectStylusDevice
///
[SecurityCritical]
void RemoveTablet(uint index)
{
System.Diagnostics.Debug.Assert(index < Count && Count > 0);
TabletDevice removeTablet = _tablets[index];
TabletDevice[] tablets = new TabletDevice[_tablets.Length - 1];
uint preCopyCount = index;
uint postCopyCount = (uint)_tablets.Length - index - 1;
Array.Copy(_tablets, 0, tablets, 0, preCopyCount);
Array.Copy(_tablets, index+1, tablets, index, postCopyCount);
_tablets = tablets;
// Make sure we release any references to a stylus device that may
// have been removed
if (Tablet.CurrentTabletDevice == removeTablet)
{
StylusLogic.CurrentStylusLogic.SelectStylusDevice(null, null, true);
}
removeTablet.Dispose();
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal StylusDevice UpdateStylusDevices(int tabletId, int stylusId)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
for (int iTablet = 0, cTablets = _tablets.Length; iTablet < cTablets; iTablet++)
{
TabletDevice tablet = _tablets[iTablet];
if (tablet.Id == tabletId)
{
// Make sure we don't get reentered during this call to penimc!
using(tablet.Dispatcher.DisableProcessing())
{
return tablet.UpdateStylusDevices(stylusId);
}
}
}
return null;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code TabletDevice.Dispose.
/// and StylusLogic.SelectStylusDevice
///
[SecurityCritical]
internal void DisposeTablets()
{
if (_tablets != null)
{
for (int iTablet = 0, cTablets = _tablets.Length; iTablet < cTablets; iTablet++)
{
if (_tablets[iTablet] != null)
{
// Make sure this stylus device is not the current one.
if (Tablet.CurrentTabletDevice == _tablets[iTablet])
{
StylusLogic.CurrentStylusLogic.SelectStylusDevice(null, null, true);
}
_tablets[iTablet].Dispose();
}
}
_tablets = null;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: - calls into security critical code (PenContext constructor
/// and PenContext.CreateContext)
/// - takes in data that is potential security risk (hwnd)
///
[SecurityCritical]
internal PenContext[] CreateContexts(IntPtr hwnd, PenContexts contexts)
{
int c = Count;
PenContext[] ctxs = new PenContext[c];
int i = 0;
foreach (TabletDevice tablet in _tablets)
{
ctxs[i] = tablet.CreateContext(hwnd, contexts);
i++;
}
return ctxs;
}
/////////////////////////////////////////////////////////////////////
///
/// Retrieve the number of TabletDevice objects in the collection.
///
public int Count
{
get
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
return _tablets.Length;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Copy the TabletDevice objects in the collection to another array.
///
/// destination array
/// position in destination array to begin copying
void ICollection.CopyTo(Array array, int index)
{
// Delegate error checking to Array.Copy.
Array.Copy(_tablets, 0, array, index, this.Count);
}
/////////////////////////////////////////////////////////////////////
///
/// Copy the TabletDevice objects in the collection to another array
/// of TabletDevices.
///
/// destination array
/// position in destination array to begin copying
public void CopyTo(TabletDevice[] array, int index)
{
((ICollection)this).CopyTo(array, index);
}
/////////////////////////////////////////////////////////////////////
///
/// Retrieve the specified TabletDevice object from the collection.
///
/// index of TabletDevice in collection to retrieve
public TabletDevice this[int index]
{
get
{
if (index >= Count || index < 0)
throw new ArgumentException(SR.Get(SRID.Stylus_IndexOutOfRange, index.ToString(System.Globalization.CultureInfo.InvariantCulture)), "index");
return _tablets[index];
}
}
/////////////////////////////////////////////////////////////////////
///
/// Returns an object which can be used to lock during synchronization by collection users.
///
public object SyncRoot
{
get
{
return this;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Determine if the collection has thread-safe operations.
///
public bool IsSynchronized
{
get
{
return false;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Standard implementation of IEnumerable which enables callers to use the
/// foreach construct to enumerate through each TabletDevice in the collection.
///
IEnumerator IEnumerable.GetEnumerator()
{
return new TabletDeviceEnumerator(this);
}
/////////////////////////////////////////////////////////////////////
///
/// Standard implementation of IEnumerator for the Tablets collection
///
internal struct TabletDeviceEnumerator : IEnumerator
{
/////////////////////////////////////////////////////////////////
///
/// Create a new enumerator, initialized with a TabletDeviceCollection
///
/// collection to enumerate over
internal TabletDeviceEnumerator(TabletDeviceCollection tabletDeviceCollection)
{
_tabletDeviceCollection = tabletDeviceCollection;
_index = -1;
}
/////////////////////////////////////////////////////////////////
///
/// Move the enumerator index to the next property in the collection.
///
public bool MoveNext()
{
if (_tabletDeviceCollection != null)
{
if (_index < _tabletDeviceCollection.Count)
{
_index++;
}
return _index < _tabletDeviceCollection.Count;
}
else
{
return false;
}
}
/////////////////////////////////////////////////////////////////
///
/// Reset the enumerator index in the collection to the beginning
/// of the collection
///
public void Reset()
{
_index = -1;
}
/////////////////////////////////////////////////////////////////
///
/// Retrieve the currently indexed property in the collection
///
object IEnumerator.Current
{
get
{
return (TabletDevice)Current;
}
}
/////////////////////////////////////////////////////////////////
///
/// Strongly-typed method to retrieve the currently indexed property in the collection
///
public TabletDevice Current
{
get
{
if ((_index < 0) || (_tabletDeviceCollection == null) || (_index >= _tabletDeviceCollection.Count))
{
// samgeo - Presharp issue
// Presharp gives a warning when get methods of a property throws an exception.
// However, the get method of the IEnumerator class has to throw an exception
// by Design. The details can be found in the MSDN documentation for IEnumerator.
#pragma warning disable 1634, 1691
#pragma warning suppress 6503
throw new InvalidOperationException(SR.Get(SRID.Stylus_EnumeratorFailure));
#pragma warning restore 1634, 1691
}
return _tabletDeviceCollection[_index];
}
}
/////////////////////////////////////////////////////////////////
TabletDeviceCollection _tabletDeviceCollection;
int _index;
}
/////////////////////////////////////////////////////////////////////
TabletDevice[] _tablets = new TabletDevice[0];
uint _indexMouseTablet = UInt32.MaxValue;
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
using System;
using System.Diagnostics;
using System.Windows;
using System.Collections;
using System.Globalization;
using System.Windows.Media;
using MS.Utility;
using System.Security;
using System.Security.Permissions;
using MS.Internal;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
using MS.Win32.Penimc;
using System.Runtime.InteropServices;
using MS.Win32;
using Microsoft.Win32;
namespace System.Windows.Input
{
/////////////////////////////////////////////////////////////////////////
///
/// Collection of the tablet devices that are available on the machine.
///
public class TabletDeviceCollection : ICollection, IEnumerable
{
const int VistaMajorVersion = 6;
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
///
/// Critical: Calls ShouldEnableTablets
///
[SecurityCritical]
internal TabletDeviceCollection()
{
StylusLogic stylusLogic = StylusLogic.CurrentStylusLogic;
bool enabled = stylusLogic.Enabled;
if (!enabled)
{
enabled = ShouldEnableTablets();
}
// If enabled or we are a tabletpc (vista sets dynamically if digitizers present) then enable the pen!
if (enabled)
{
UpdateTablets(); // Create the tablet device collection!
// Enable stylus input on all hwnds if we have not yet done so.
if (!stylusLogic.Enabled)
{
stylusLogic.EnableCore();
}
}
}
///
/// Checks if Tablets should be enabled.
///
///
/// Critical: Calls SecurityCritical routines (IsWisptisRegistered,
/// HasTabletDevices, UnsafeNativeMethods.GetSystemMetrics,
/// PenThreadPool.GetPenThreadForPenContext, PenThread.WorkerGetTabletsInfo,
/// TabletDevice constructor, StylusLogic.EnableCore and
/// StylusLogic.CurrentStylusLogic).
///
[SecurityCritical]
internal static bool ShouldEnableTablets()
{
bool enabled = false;
// We only want to enable by default if Wisptis is registered and tablets are detected.
// We do the same detection on all OS versions.
//
// NOTE: This code does not support the new Vista wisptis feature to be able to exclude
// tablet devices using a special registy key. The only side effect of not supporting
// this feature is that we would go ahead and load wisptis when we really don't need to
// (since wisptis would not return us any tablet devices). This should be a fairly rare
// case though.
if (IsWisptisRegistered() && HasTabletDevices())
{
enabled = true; // start up wisptis
}
return enabled;
}
///
/// Critical - Asserts read registry permission...
/// - TreatAsSafe boundry is HwndSource constructor and Tablet.TabletDevices.
/// - called by this objects constructor
///
[SecurityCritical]
private static bool IsWisptisRegistered()
{
bool fRegistered = false;
RegistryKey key = null; // This object has finalizer to close the key.
Object valDefault = null;
bool runningOnVista = (Environment.OSVersion.Version.Major >= VistaMajorVersion);
string keyToAssertPermissionFor =
runningOnVista ?
"HKEY_CLASSES_ROOT\\Interface\\{C247F616-BBEB-406A-AED3-F75E656599AE}" :
"HKEY_CLASSES_ROOT\\CLSID\\{A5B020FD-E04B-4e67-B65A-E7DEED25B2CF}\\LocalServer32";
string subkeyToOpen =
runningOnVista ?
"Interface\\{C247F616-BBEB-406A-AED3-F75E656599AE}" :
"CLSID\\{A5B020FD-E04B-4e67-B65A-E7DEED25B2CF}\\LocalServer32";
string valueToSearchFor =
runningOnVista ?
"ITablet2" :
"wisptis.exe";
// Perform the OS specific check for wisptis
new RegistryPermission(RegistryPermissionAccess.Read, keyToAssertPermissionFor).Assert(); // BlessedAssert
try
{
key = Registry.ClassesRoot.OpenSubKey(subkeyToOpen);
if (key != null)
{
valDefault = key.GetValue("");
}
}
finally
{
RegistryPermission.RevertAssert();
}
if (key != null)
{
string sValDefault = valDefault as string;
if (sValDefault != null && sValDefault.LastIndexOf(valueToSearchFor, StringComparison.OrdinalIgnoreCase) != -1)
{
fRegistered = true;
}
key.Close();
}
return fRegistered;
}
///
/// Critical - Calls critical methods (GetRawInputDeviceList, GetRawInputDeviceInfo, Marshal.SizeOf).
/// - TreatAsSafe boundry is HwndSource constructor and Tablet.TabletDevices.
/// - called by constructor
///
[SecurityCritical]
private static bool HasTabletDevices()
{
uint deviceCount = 0;
// Determine the number of devices first (result will be -1 if fails and cDevices will have count)
int result = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceList(null, ref deviceCount, (uint)Marshal.SizeOf(typeof(NativeMethods.RAWINPUTDEVICELIST)));
if (result >= 0 && deviceCount != 0)
{
NativeMethods.RAWINPUTDEVICELIST[] ridl = new NativeMethods.RAWINPUTDEVICELIST[deviceCount];
int count = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceList(ridl, ref deviceCount, (uint)Marshal.SizeOf(typeof(NativeMethods.RAWINPUTDEVICELIST)));
if (count > 0)
{
for (int i = 0; i < count; i++)
{
if (ridl[i].dwType == NativeMethods.RIM_TYPEHID)
{
NativeMethods.RID_DEVICE_INFO deviceInfo = new NativeMethods.RID_DEVICE_INFO();
deviceInfo.cbSize = (uint)Marshal.SizeOf(typeof(NativeMethods.RID_DEVICE_INFO));
uint cbSize = (uint)deviceInfo.cbSize;
int cBytes = (int)MS.Win32.UnsafeNativeMethods.GetRawInputDeviceInfo(ridl[i].hDevice, NativeMethods.RIDI_DEVICEINFO, ref deviceInfo, ref cbSize);
if (cBytes > 0)
{
if (deviceInfo.hid.usUsagePage == NativeMethods.HID_USAGE_PAGE_DIGITIZER)
{
switch (deviceInfo.hid.usUsage)
{
case NativeMethods.HID_USAGE_DIGITIZER_DIGITIZER:
case NativeMethods.HID_USAGE_DIGITIZER_PEN:
case NativeMethods.HID_USAGE_DIGITIZER_TOUCHSCREEN:
case NativeMethods.HID_USAGE_DIGITIZER_LIGHTPEN:
{
return true;
}
}
}
}
else
{
System.Diagnostics.Debug.WriteLine("TabletDeviceCollection: GetRawInputDeviceInfo failed!");
}
}
}
}
else if (count < 0)
{
System.Diagnostics.Debug.WriteLine("TabletDeviceCollection: GetRawInputDeviceList failed!");
}
}
return false;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTabletCount, GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal void UpdateTablets()
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
// REENTRANCY NOTE: Let a PenThread do this work to avoid reentrancy!
// On return you get entire list of tablet and info needed to
// create all the tablet devices (and stylus device info gets
// cached too in penimc which avoids calls to wisptis.exe).
// Use existing penthread if we have one otherwise grab an available one.
PenThread penThread = _tablets.Length > 0 ? _tablets[0].PenThread :
PenThreadPool.GetPenThreadForPenContext(null);
TabletDeviceInfo [] tabletdevices = penThread.WorkerGetTabletsInfo();
// First find out the index of the mouse device (usually the first at index 0)
uint indexMouseTablet = UInt32.MaxValue;
for (uint i = 0; i < tabletdevices.Length; i++)
{
// See if this is a bogus entry first.
if (tabletdevices[i].PimcTablet == null) continue;
// If it is the mouse tablet device we want to ignore it.
if (tabletdevices[i].DeviceType == (TabletDeviceType)(-1))
{
indexMouseTablet = i;
tabletdevices[i].PimcTablet = null; // ignore this one!
}
}
// Now figure out count of valid tablet devices left
uint count = 0;
for (uint k = 0; k < tabletdevices.Length; k++)
{
if (tabletdevices[k].PimcTablet != null) count++;
}
TabletDevice[] tablets = new TabletDevice[count];
uint tabletsIndex = 0;
for (uint iTablet = 0; iTablet < tabletdevices.Length; iTablet++)
{
if (tabletdevices[iTablet].PimcTablet == null)
{
continue; // Skip looking at this index (mouse and bogus tablets are ignored).
}
int id = tabletdevices[iTablet].Id;
// First see if same index has not changed (typical case)
if (tabletsIndex < _tablets.Length && _tablets[tabletsIndex].Id == id)
{
tablets[tabletsIndex] = _tablets[tabletsIndex];
_tablets[tabletsIndex] = null; // clear to ignore on cleanup pass.
}
else
{
// Look up and see if we have this tabletdevice created already...
TabletDevice tablet = null;
for (uint i = 0; i < _tablets.Length; i++)
{
if (_tablets[i] != null && _tablets[i].Id == id)
{
tablet = _tablets[i];
_tablets[i] = null; // clear it so we don't dispose it.
break;
}
}
// Not found so create it.
if (tablet == null)
{
try
{
tablet = new TabletDevice(tabletdevices[iTablet], penThread);
}
catch (InvalidOperationException ex)
{
// This is caused by the Stylus ID not being unique when trying
// to register it in the StylusLogic.__stylusDeviceMap. If we
// come across a dup then just ignore registering this tablet device.
// There seems to be an issue in wisptis where different tablet IDs get
// duplicate Stylus Ids when installing the VHID test devices.
if (ex.Data.Contains("System.Windows.Input.StylusLogic"))
{
continue; // Just go to next without adding this one.
}
else
{
throw; // not an expected exception, rethrow it.
}
}
}
tablets[tabletsIndex] = tablet;
}
tabletsIndex++;
}
// See if we need to re alloc the array due to invalid tabletdevice being seen.
if (tabletsIndex != count)
{
TabletDevice[] updatedTablets = new TabletDevice[tabletsIndex];
Array.Copy(tablets, 0, updatedTablets, 0, tabletsIndex);
tablets = updatedTablets;
}
DisposeTablets(); // Clean up any non null TabletDevice entries on old array.
_tablets = tablets; // set updated tabletdevice array
_indexMouseTablet = indexMouseTablet;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal bool HandleTabletAdded(uint wisptisIndex, ref uint tabletIndexChanged)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
tabletIndexChanged = UInt32.MaxValue;
// REENTRANCY NOTE: Let a PenThread do this work to avoid reentrancy!
// On return you get the tablet info needed to
// create a tablet devices (and stylus device info gets
// cached in penimc too which avoids calls to wisptis.exe).
// Use existing penthread if we have one otherwise grab an available one.
PenThread penThread = _tablets.Length > 0 ? _tablets[0].PenThread :
PenThreadPool.GetPenThreadForPenContext(null);
TabletDeviceInfo tabletInfo = penThread.WorkerGetTabletInfo(wisptisIndex);
// If we failed due to a COM exception on the pen thread then return
if (tabletInfo.PimcTablet == null)
{
return true; // make sure we rebuild our tablet collection. (return true + MaxValue).
}
// if mouse tabletdevice then ignore it.
if (tabletInfo.DeviceType == (TabletDeviceType)(-1))
{
_indexMouseTablet = wisptisIndex; // update index.
return false; // TabletDevices did not change.
}
// Now see if this is a duplicate add call we want to filter out (ie - already added to tablet collection).
uint indexFound = UInt32.MaxValue;
for (uint i = 0; i < _tablets.Length; i++)
{
// If it is the mouse tablet device we want to ignore it.
if (_tablets[i].Id == tabletInfo.Id)
{
indexFound = i;
break;
}
}
// We only want to add this if it is not currently in the collection. Wisptis will send
// us duplicate adds at times so this is a work around for that issue.
uint tabletIndex = UInt32.MaxValue;
if (indexFound == UInt32.MaxValue)
{
tabletIndex = wisptisIndex;
if (tabletIndex > _indexMouseTablet)
{
tabletIndex--;
}
else
{
_indexMouseTablet++;
}
// if index is out of range then ignore it. Return of MaxValue causes a rebuild of the devices.
if (tabletIndex <= _tablets.Length)
{
try
{
// Add new tablet at end of collection
AddTablet(tabletIndex, new TabletDevice(tabletInfo, penThread));
}
catch (InvalidOperationException ex)
{
// This is caused by the Stylus ID not being unique when trying
// to register it in the StylusLogic.__stylusDeviceMap. If we
// come across a dup then we should rebuild the tablet device collection.
// There seems to be an issue in wisptis where different tablet IDs get
// duplicate Stylus Ids when installing the VHID test devices.
if (ex.Data.Contains("System.Windows.Input.StylusLogic"))
{
return true; // trigger the tabletdevices to be rebuilt.
}
else
{
throw; // not an expected exception, rethrow it.
}
}
tabletIndexChanged = tabletIndex;
return true;
}
else
{
return true; // bogus index. Return true so that the caller can rebuild the collection.
}
}
else
{
return false; // We found this tablet device already. Don't do anything.
}
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code RemoveTablet.
///
[SecurityCritical]
internal uint HandleTabletRemoved(uint wisptisIndex)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
// if mouse tabletdevice then ignore it.
if (wisptisIndex == _indexMouseTablet)
{
_indexMouseTablet = UInt32.MaxValue;
return UInt32.MaxValue; // Don't process this notification any further.
}
uint tabletIndex = wisptisIndex;
if (wisptisIndex > _indexMouseTablet)
{
tabletIndex--;
}
else
{
// Must be less than _indexMouseTablet since equality is done above.
_indexMouseTablet--;
}
// if index is out of range then ignore it.
if (tabletIndex >= _tablets.Length)
{
return UInt32.MaxValue; // Don't process this notification any further.
}
// Remove tablet from collection
RemoveTablet(tabletIndex);
return tabletIndex;
}
/////////////////////////////////////////////////////////////////////
// NOTE: This routine takes indexes that are in the TabletCollection range
// and not in the wisptis tablet index range.
///
/// Critical: calls into SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
void AddTablet(uint index, TabletDevice tabletDevice)
{
Debug.Assert(index <= Count);
Debug.Assert(tabletDevice.Type != (TabletDeviceType)(-1)); // make sure not the mouse tablet device!
TabletDevice[] newTablets = new TabletDevice[Count + 1];
uint preCopyCount = index;
uint postCopyCount = (uint)_tablets.Length - index;
Array.Copy(_tablets, 0, newTablets, 0, preCopyCount);
newTablets[index] = tabletDevice;
Array.Copy(_tablets, index, newTablets, index+1, postCopyCount);
_tablets = newTablets;
}
/////////////////////////////////////////////////////////////////////
// NOTE: This routine takes indexes that are in the TabletCollection range
// and not in the wisptis tablet index range.
///
/// Critical: calls SecurityCritical code TabletDevice.Dispose.
/// and StylusLogic.SelectStylusDevice
///
[SecurityCritical]
void RemoveTablet(uint index)
{
System.Diagnostics.Debug.Assert(index < Count && Count > 0);
TabletDevice removeTablet = _tablets[index];
TabletDevice[] tablets = new TabletDevice[_tablets.Length - 1];
uint preCopyCount = index;
uint postCopyCount = (uint)_tablets.Length - index - 1;
Array.Copy(_tablets, 0, tablets, 0, preCopyCount);
Array.Copy(_tablets, index+1, tablets, index, postCopyCount);
_tablets = tablets;
// Make sure we release any references to a stylus device that may
// have been removed
if (Tablet.CurrentTabletDevice == removeTablet)
{
StylusLogic.CurrentStylusLogic.SelectStylusDevice(null, null, true);
}
removeTablet.Dispose();
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code with SuppressUnmangedCode
/// (GetTablet, PimcPInvoke and PimcManager)
/// and calls SecurityCritical code TabletDevice constructor.
///
[SecurityCritical]
internal StylusDevice UpdateStylusDevices(int tabletId, int stylusId)
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
for (int iTablet = 0, cTablets = _tablets.Length; iTablet < cTablets; iTablet++)
{
TabletDevice tablet = _tablets[iTablet];
if (tablet.Id == tabletId)
{
// Make sure we don't get reentered during this call to penimc!
using(tablet.Dispatcher.DisableProcessing())
{
return tablet.UpdateStylusDevices(stylusId);
}
}
}
return null;
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: calls into SecurityCritical code TabletDevice.Dispose.
/// and StylusLogic.SelectStylusDevice
///
[SecurityCritical]
internal void DisposeTablets()
{
if (_tablets != null)
{
for (int iTablet = 0, cTablets = _tablets.Length; iTablet < cTablets; iTablet++)
{
if (_tablets[iTablet] != null)
{
// Make sure this stylus device is not the current one.
if (Tablet.CurrentTabletDevice == _tablets[iTablet])
{
StylusLogic.CurrentStylusLogic.SelectStylusDevice(null, null, true);
}
_tablets[iTablet].Dispose();
}
}
_tablets = null;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Critical: - calls into security critical code (PenContext constructor
/// and PenContext.CreateContext)
/// - takes in data that is potential security risk (hwnd)
///
[SecurityCritical]
internal PenContext[] CreateContexts(IntPtr hwnd, PenContexts contexts)
{
int c = Count;
PenContext[] ctxs = new PenContext[c];
int i = 0;
foreach (TabletDevice tablet in _tablets)
{
ctxs[i] = tablet.CreateContext(hwnd, contexts);
i++;
}
return ctxs;
}
/////////////////////////////////////////////////////////////////////
///
/// Retrieve the number of TabletDevice objects in the collection.
///
public int Count
{
get
{
if (_tablets == null)
throw new ObjectDisposedException("TabletDeviceCollection");
return _tablets.Length;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Copy the TabletDevice objects in the collection to another array.
///
/// destination array
/// position in destination array to begin copying
void ICollection.CopyTo(Array array, int index)
{
// Delegate error checking to Array.Copy.
Array.Copy(_tablets, 0, array, index, this.Count);
}
/////////////////////////////////////////////////////////////////////
///
/// Copy the TabletDevice objects in the collection to another array
/// of TabletDevices.
///
/// destination array
/// position in destination array to begin copying
public void CopyTo(TabletDevice[] array, int index)
{
((ICollection)this).CopyTo(array, index);
}
/////////////////////////////////////////////////////////////////////
///
/// Retrieve the specified TabletDevice object from the collection.
///
/// index of TabletDevice in collection to retrieve
public TabletDevice this[int index]
{
get
{
if (index >= Count || index < 0)
throw new ArgumentException(SR.Get(SRID.Stylus_IndexOutOfRange, index.ToString(System.Globalization.CultureInfo.InvariantCulture)), "index");
return _tablets[index];
}
}
/////////////////////////////////////////////////////////////////////
///
/// Returns an object which can be used to lock during synchronization by collection users.
///
public object SyncRoot
{
get
{
return this;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Determine if the collection has thread-safe operations.
///
public bool IsSynchronized
{
get
{
return false;
}
}
/////////////////////////////////////////////////////////////////////
///
/// Standard implementation of IEnumerable which enables callers to use the
/// foreach construct to enumerate through each TabletDevice in the collection.
///
IEnumerator IEnumerable.GetEnumerator()
{
return new TabletDeviceEnumerator(this);
}
/////////////////////////////////////////////////////////////////////
///
/// Standard implementation of IEnumerator for the Tablets collection
///
internal struct TabletDeviceEnumerator : IEnumerator
{
/////////////////////////////////////////////////////////////////
///
/// Create a new enumerator, initialized with a TabletDeviceCollection
///
/// collection to enumerate over
internal TabletDeviceEnumerator(TabletDeviceCollection tabletDeviceCollection)
{
_tabletDeviceCollection = tabletDeviceCollection;
_index = -1;
}
/////////////////////////////////////////////////////////////////
///
/// Move the enumerator index to the next property in the collection.
///
public bool MoveNext()
{
if (_tabletDeviceCollection != null)
{
if (_index < _tabletDeviceCollection.Count)
{
_index++;
}
return _index < _tabletDeviceCollection.Count;
}
else
{
return false;
}
}
/////////////////////////////////////////////////////////////////
///
/// Reset the enumerator index in the collection to the beginning
/// of the collection
///
public void Reset()
{
_index = -1;
}
/////////////////////////////////////////////////////////////////
///
/// Retrieve the currently indexed property in the collection
///
object IEnumerator.Current
{
get
{
return (TabletDevice)Current;
}
}
/////////////////////////////////////////////////////////////////
///
/// Strongly-typed method to retrieve the currently indexed property in the collection
///
public TabletDevice Current
{
get
{
if ((_index < 0) || (_tabletDeviceCollection == null) || (_index >= _tabletDeviceCollection.Count))
{
// samgeo - Presharp issue
// Presharp gives a warning when get methods of a property throws an exception.
// However, the get method of the IEnumerator class has to throw an exception
// by Design. The details can be found in the MSDN documentation for IEnumerator.
#pragma warning disable 1634, 1691
#pragma warning suppress 6503
throw new InvalidOperationException(SR.Get(SRID.Stylus_EnumeratorFailure));
#pragma warning restore 1634, 1691
}
return _tabletDeviceCollection[_index];
}
}
/////////////////////////////////////////////////////////////////
TabletDeviceCollection _tabletDeviceCollection;
int _index;
}
/////////////////////////////////////////////////////////////////////
TabletDevice[] _tablets = new TabletDevice[0];
uint _indexMouseTablet = UInt32.MaxValue;
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- BufferAllocator.cs
- LassoSelectionBehavior.cs
- MenuStrip.cs
- BitmapPalettes.cs
- SoapObjectWriter.cs
- DataGridViewDesigner.cs
- DatePickerDateValidationErrorEventArgs.cs
- UnescapedXmlDiagnosticData.cs
- WebPartDescriptionCollection.cs
- BindingCompleteEventArgs.cs
- ValueExpressions.cs
- XmlAnyElementAttributes.cs
- EditingCommands.cs
- RuntimeWrappedException.cs
- CodeDOMProvider.cs
- TransformConverter.cs
- ZipIOModeEnforcingStream.cs
- FixUpCollection.cs
- WebPartRestoreVerb.cs
- EventProxy.cs
- ActivityExecutionContext.cs
- ArrayTypeMismatchException.cs
- DesignerVerb.cs
- RevocationPoint.cs
- RequestQueryProcessor.cs
- ProxyWebPartManager.cs
- ArraySortHelper.cs
- RevocationPoint.cs
- rsa.cs
- ConfigurationManagerInternalFactory.cs
- WindowsSolidBrush.cs
- SuppressIldasmAttribute.cs
- CharEntityEncoderFallback.cs
- CodeSpit.cs
- ValueUtilsSmi.cs
- ColumnCollectionEditor.cs
- TreeViewItemAutomationPeer.cs
- ColumnMapTranslator.cs
- X509InitiatorCertificateClientElement.cs
- CompatibleComparer.cs
- PageVisual.cs
- indexingfiltermarshaler.cs
- WebExceptionStatus.cs
- FormClosingEvent.cs
- ThumbButtonInfoCollection.cs
- ZoneButton.cs
- OdbcParameter.cs
- PartialCachingAttribute.cs
- RightsManagementEncryptionTransform.cs
- ThemeableAttribute.cs
- WorkflowPageSetupDialog.cs
- DragDropHelper.cs
- InteropEnvironment.cs
- TreeViewDesigner.cs
- CaseInsensitiveOrdinalStringComparer.cs
- CompositeActivityTypeDescriptor.cs
- ActivationArguments.cs
- NotFiniteNumberException.cs
- GridViewPageEventArgs.cs
- MessageQueueCriteria.cs
- GraphicsContainer.cs
- MethodAccessException.cs
- SynchronizationScope.cs
- OpenFileDialog.cs
- CodeAttachEventStatement.cs
- BufferedGraphicsContext.cs
- FeatureSupport.cs
- PasswordBoxAutomationPeer.cs
- EllipseGeometry.cs
- KeyGestureValueSerializer.cs
- AQNBuilder.cs
- ConfigXmlText.cs
- DecimalSumAggregationOperator.cs
- DiscoveryRequestHandler.cs
- FileDataSourceCache.cs
- RuntimeCompatibilityAttribute.cs
- DataGridDefaultColumnWidthTypeConverter.cs
- WsdlInspector.cs
- _NetRes.cs
- DiscoveryClientDocuments.cs
- JournalEntryListConverter.cs
- BinHexDecoder.cs
- Blend.cs
- XmlQueryCardinality.cs
- DefaultPrintController.cs
- WorkflowServiceAttributes.cs
- OperationResponse.cs
- ServiceTimeoutsElement.cs
- DesignBinding.cs
- HwndTarget.cs
- SemanticBasicElement.cs
- TextParentUndoUnit.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- CapacityStreamGeometryContext.cs
- ApplicationFileCodeDomTreeGenerator.cs
- CodeTypeOfExpression.cs
- ComponentConverter.cs
- CachedBitmap.cs
- LogicalExpr.cs
- DataGridViewColumnCollection.cs