Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / MessageBox.cs / 1305376 / MessageBox.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
*/
namespace System.Windows.Forms {
using Microsoft.Win32;
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.Remoting;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Collections;
///
///
/// Displays a
/// message box that can contain text, buttons, and symbols that
/// inform and instruct the
/// user.
///
///
public class MessageBox {
private const int IDOK = 1;
private const int IDCANCEL = 2;
private const int IDABORT = 3;
private const int IDRETRY = 4;
private const int IDIGNORE = 5;
private const int IDYES = 6;
private const int IDNO = 7;
private const int HELP_BUTTON = 0x00004000;
[ ThreadStatic ]
private static HelpInfo[] helpInfoTable;
///
/// This constructor is private so people aren't tempted to try and create
/// instances of these -- they should just use the static show
/// methods.
///
private MessageBox() {
}
private static DialogResult Win32ToDialogResult(int value) {
switch (value) {
case IDOK:
return DialogResult.OK;
case IDCANCEL:
return DialogResult.Cancel;
case IDABORT:
return DialogResult.Abort;
case IDRETRY:
return DialogResult.Retry;
case IDIGNORE:
return DialogResult.Ignore;
case IDYES:
return DialogResult.Yes;
case IDNO:
return DialogResult.No;
default:
return DialogResult.No;
}
}
internal static HelpInfo HelpInfo {
get {
// unfortunately, there's no easy way to obtain handle of a message box.
// we'll have to rely on the fact that modal message loops have to pop off in an orderly way.
if (helpInfoTable != null && helpInfoTable.Length > 0) {
// the top of the stack is actually at the end of the array.
return helpInfoTable[helpInfoTable.Length - 1];
}
return null;
}
}
private static void PopHelpInfo() {
// we roll our own stack here because we want a pretty lightweight implementation.
// usually there's only going to be one message box shown at a time. But if
// someone shows two message boxes (say by launching them via a WM_TIMER message)
// we've got to gracefully handle the current help info.
if (helpInfoTable == null) {
Debug.Fail("Why are we being called when there's nothing to pop?");
}
else {
if (helpInfoTable.Length == 1) {
helpInfoTable = null;
}
else {
int newCount = helpInfoTable.Length -1;
HelpInfo[] newTable = new HelpInfo[newCount];
Array.Copy(helpInfoTable, newTable, newCount);
helpInfoTable = newTable;
}
}
}
private static void PushHelpInfo(HelpInfo hpi) {
// we roll our own stack here because we want a pretty lightweight implementation.
// usually there's only going to be one message box shown at a time. But if
// someone shows two message boxes (say by launching them via a WM_TIMER message)
// we've got to gracefully handle the current help info.
int lastCount = 0;
HelpInfo[] newTable;
if (helpInfoTable == null) {
newTable = new HelpInfo[lastCount+1];
}
else {
// if we already have a table - allocate a new slot
lastCount = helpInfoTable.Length;
newTable = new HelpInfo[lastCount+1];
Array.Copy(helpInfoTable, newTable, lastCount);
}
newTable[lastCount] = hpi;
helpInfoTable = newTable;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//START WHIDBEY ADDS //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///
///
/// Displays a message box with specified text, caption, and style with Help Button.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,bool displayHelpButton) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, displayHelpButton);
}
///
///
/// Displays a message box with specified text, caption, style and Help file Path .
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath) {
HelpInfo hpi = new HelpInfo(helpFilePath);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style and Help file Path for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath) {
HelpInfo hpi = new HelpInfo(helpFilePath);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and keyword.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, string keyword) {
HelpInfo hpi = new HelpInfo(helpFilePath, keyword);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and keyword for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, string keyword) {
HelpInfo hpi = new HelpInfo(helpFilePath, keyword);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and HelpNavigator.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,string helpFilePath, HelpNavigator navigator) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and HelpNavigator for IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path ,HelpNavigator and object.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,string helpFilePath, HelpNavigator navigator, object param) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator, param);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path ,HelpNavigator and object for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator, object param) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator, param);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//END ADD //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) {
return ShowCore(null, text, caption, buttons, icon, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons) {
return ShowCore(null, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text and caption.
///
///
public static DialogResult Show(string text, string caption) {
return ShowCore(null, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text.
///
///
public static DialogResult Show(string text) {
return ShowCore(null, text, String.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options) {
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton) {
return ShowCore(owner, text, caption, buttons, icon, defaultButton, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) {
return ShowCore(owner, text, caption, buttons, icon, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons) {
return ShowCore(owner, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text and caption.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption) {
return ShowCore(owner, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text.
///
///
public static DialogResult Show(IWin32Window owner, string text) {
return ShowCore(owner, text, String.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
private static DialogResult ShowCore(IWin32Window owner, string text, string caption,
MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton,
MessageBoxOptions options, HelpInfo hpi) {
DialogResult result = DialogResult.None;
try {
PushHelpInfo(hpi);
result = ShowCore(owner, text, caption, buttons, icon, defaultButton, options, true);
}
finally {
PopHelpInfo();
}
return result;
}
private static DialogResult ShowCore(IWin32Window owner, string text, string caption,
MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton,
MessageBoxOptions options, bool showHelp) {
if (!ClientUtils.IsEnumValid(buttons, (int)buttons, (int)MessageBoxButtons.OK, (int)MessageBoxButtons.RetryCancel)){
throw new InvalidEnumArgumentException("buttons", (int)buttons, typeof(MessageBoxButtons));
}
// valid values are 0x0 0x10 0x20 0x30 0x40, chop off the last 4 bits and check that it's between 0 and 4.
if (!WindowsFormsUtils.EnumValidator.IsEnumWithinShiftedRange(icon, /*numBitsToShift*/4, /*min*/0x0,/*max*/0x4)) {
throw new InvalidEnumArgumentException("icon", (int)icon, typeof(MessageBoxIcon));
}
// valid values are 0x0 0x100, 0x200, chop off the last 8 bits and check that it's between 0 and 2.
if (!WindowsFormsUtils.EnumValidator.IsEnumWithinShiftedRange(defaultButton, /*numBitsToShift*/8, /*min*/0x0,/*max*/0x2)) {
throw new InvalidEnumArgumentException("defaultButton", (int)defaultButton, typeof(DialogResult));
}
// options intentionally not verified because we don't expose all the options Win32 supports.
if (!SystemInformation.UserInteractive && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) == 0) {
throw new InvalidOperationException(SR.GetString(SR.CantShowModalOnNonInteractive));
}
if (owner != null && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) != 0) {
throw new ArgumentException(SR.GetString(SR.CantShowMBServiceWithOwner), "options");
}
if (showHelp && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) != 0) {
throw new ArgumentException(SR.GetString(SR.CantShowMBServiceWithHelp), "options");
}
// demand if not safe known options.
if ((options & ~(MessageBoxOptions.RightAlign | MessageBoxOptions.RtlReading)) != 0) {
// See DDB#163043.
IntSecurity.UnmanagedCode.Demand();
}
IntSecurity.SafeSubWindows.Demand();
int style = (showHelp) ? HELP_BUTTON : 0;
style |= (int) buttons | (int) icon | (int) defaultButton | (int) options;
IntPtr handle = IntPtr.Zero;
if (showHelp || ((options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) == 0)) {
if (owner == null) {
handle = UnsafeNativeMethods.GetActiveWindow();
}
else {
handle = Control.GetSafeHandle(owner);
}
}
IntPtr userCookie = IntPtr.Zero;
if (Application.UseVisualStyles) {
// CLR4.0 or later, shell32.dll needs to be loaded explicitly.
if (UnsafeNativeMethods.GetModuleHandle(ExternDll.Shell32) == IntPtr.Zero) {
if (UnsafeNativeMethods.LoadLibrary(ExternDll.Shell32) == IntPtr.Zero) {
int lastWin32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(lastWin32Error, SR.GetString(SR.LoadDLLError, ExternDll.Shell32));
}
}
// Activate theming scope to get theming for controls at design time and when hosted in browser.
// NOTE: If a theming context is already active, this call is very fast, so shouldn't be a perf issue.
userCookie = UnsafeNativeMethods.ThemingScope.Activate();
}
Application.BeginModalMessageLoop();
DialogResult result;
try {
result = Win32ToDialogResult(SafeNativeMethods.MessageBox(new HandleRef(owner, handle), text, caption, style));
}
finally {
Application.EndModalMessageLoop();
UnsafeNativeMethods.ThemingScope.Deactivate(userCookie);
}
// Right after the dialog box is closed, Windows sends WM_SETFOCUS back to the previously active control
// but since we have disabled this thread main window the message is lost. So we have to send it again after
// we enable the main window.
//
UnsafeNativeMethods.SendMessage(new HandleRef(owner, handle), NativeMethods.WM_SETFOCUS, 0, 0);
return result;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
*/
namespace System.Windows.Forms {
using Microsoft.Win32;
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.Remoting;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Collections;
///
///
/// Displays a
/// message box that can contain text, buttons, and symbols that
/// inform and instruct the
/// user.
///
///
public class MessageBox {
private const int IDOK = 1;
private const int IDCANCEL = 2;
private const int IDABORT = 3;
private const int IDRETRY = 4;
private const int IDIGNORE = 5;
private const int IDYES = 6;
private const int IDNO = 7;
private const int HELP_BUTTON = 0x00004000;
[ ThreadStatic ]
private static HelpInfo[] helpInfoTable;
///
/// This constructor is private so people aren't tempted to try and create
/// instances of these -- they should just use the static show
/// methods.
///
private MessageBox() {
}
private static DialogResult Win32ToDialogResult(int value) {
switch (value) {
case IDOK:
return DialogResult.OK;
case IDCANCEL:
return DialogResult.Cancel;
case IDABORT:
return DialogResult.Abort;
case IDRETRY:
return DialogResult.Retry;
case IDIGNORE:
return DialogResult.Ignore;
case IDYES:
return DialogResult.Yes;
case IDNO:
return DialogResult.No;
default:
return DialogResult.No;
}
}
internal static HelpInfo HelpInfo {
get {
// unfortunately, there's no easy way to obtain handle of a message box.
// we'll have to rely on the fact that modal message loops have to pop off in an orderly way.
if (helpInfoTable != null && helpInfoTable.Length > 0) {
// the top of the stack is actually at the end of the array.
return helpInfoTable[helpInfoTable.Length - 1];
}
return null;
}
}
private static void PopHelpInfo() {
// we roll our own stack here because we want a pretty lightweight implementation.
// usually there's only going to be one message box shown at a time. But if
// someone shows two message boxes (say by launching them via a WM_TIMER message)
// we've got to gracefully handle the current help info.
if (helpInfoTable == null) {
Debug.Fail("Why are we being called when there's nothing to pop?");
}
else {
if (helpInfoTable.Length == 1) {
helpInfoTable = null;
}
else {
int newCount = helpInfoTable.Length -1;
HelpInfo[] newTable = new HelpInfo[newCount];
Array.Copy(helpInfoTable, newTable, newCount);
helpInfoTable = newTable;
}
}
}
private static void PushHelpInfo(HelpInfo hpi) {
// we roll our own stack here because we want a pretty lightweight implementation.
// usually there's only going to be one message box shown at a time. But if
// someone shows two message boxes (say by launching them via a WM_TIMER message)
// we've got to gracefully handle the current help info.
int lastCount = 0;
HelpInfo[] newTable;
if (helpInfoTable == null) {
newTable = new HelpInfo[lastCount+1];
}
else {
// if we already have a table - allocate a new slot
lastCount = helpInfoTable.Length;
newTable = new HelpInfo[lastCount+1];
Array.Copy(helpInfoTable, newTable, lastCount);
}
newTable[lastCount] = hpi;
helpInfoTable = newTable;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//START WHIDBEY ADDS //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///
///
/// Displays a message box with specified text, caption, and style with Help Button.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,bool displayHelpButton) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, displayHelpButton);
}
///
///
/// Displays a message box with specified text, caption, style and Help file Path .
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath) {
HelpInfo hpi = new HelpInfo(helpFilePath);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style and Help file Path for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath) {
HelpInfo hpi = new HelpInfo(helpFilePath);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and keyword.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, string keyword) {
HelpInfo hpi = new HelpInfo(helpFilePath, keyword);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and keyword for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, string keyword) {
HelpInfo hpi = new HelpInfo(helpFilePath, keyword);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and HelpNavigator.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,string helpFilePath, HelpNavigator navigator) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path and HelpNavigator for IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path ,HelpNavigator and object.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,string helpFilePath, HelpNavigator navigator, object param) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator, param);
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, hpi);
}
///
///
/// Displays a message box with specified text, caption, style, Help file Path ,HelpNavigator and object for a IWin32Window.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator, object param) {
HelpInfo hpi = new HelpInfo(helpFilePath, navigator, param);
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, hpi);
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//END ADD //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, options, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton) {
return ShowCore(null, text, caption, buttons, icon, defaultButton, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) {
return ShowCore(null, text, caption, buttons, icon, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons) {
return ShowCore(null, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text and caption.
///
///
public static DialogResult Show(string text, string caption) {
return ShowCore(null, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text.
///
///
public static DialogResult Show(string text) {
return ShowCore(null, text, String.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options) {
return ShowCore(owner, text, caption, buttons, icon, defaultButton, options, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton) {
return ShowCore(owner, text, caption, buttons, icon, defaultButton, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) {
return ShowCore(owner, text, caption, buttons, icon, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text, caption, and style.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons) {
return ShowCore(owner, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text and caption.
///
///
public static DialogResult Show(IWin32Window owner, string text, string caption) {
return ShowCore(owner, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
///
///
/// Displays a message box with specified text.
///
///
public static DialogResult Show(IWin32Window owner, string text) {
return ShowCore(owner, text, String.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1, 0, false);
}
private static DialogResult ShowCore(IWin32Window owner, string text, string caption,
MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton,
MessageBoxOptions options, HelpInfo hpi) {
DialogResult result = DialogResult.None;
try {
PushHelpInfo(hpi);
result = ShowCore(owner, text, caption, buttons, icon, defaultButton, options, true);
}
finally {
PopHelpInfo();
}
return result;
}
private static DialogResult ShowCore(IWin32Window owner, string text, string caption,
MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton,
MessageBoxOptions options, bool showHelp) {
if (!ClientUtils.IsEnumValid(buttons, (int)buttons, (int)MessageBoxButtons.OK, (int)MessageBoxButtons.RetryCancel)){
throw new InvalidEnumArgumentException("buttons", (int)buttons, typeof(MessageBoxButtons));
}
// valid values are 0x0 0x10 0x20 0x30 0x40, chop off the last 4 bits and check that it's between 0 and 4.
if (!WindowsFormsUtils.EnumValidator.IsEnumWithinShiftedRange(icon, /*numBitsToShift*/4, /*min*/0x0,/*max*/0x4)) {
throw new InvalidEnumArgumentException("icon", (int)icon, typeof(MessageBoxIcon));
}
// valid values are 0x0 0x100, 0x200, chop off the last 8 bits and check that it's between 0 and 2.
if (!WindowsFormsUtils.EnumValidator.IsEnumWithinShiftedRange(defaultButton, /*numBitsToShift*/8, /*min*/0x0,/*max*/0x2)) {
throw new InvalidEnumArgumentException("defaultButton", (int)defaultButton, typeof(DialogResult));
}
// options intentionally not verified because we don't expose all the options Win32 supports.
if (!SystemInformation.UserInteractive && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) == 0) {
throw new InvalidOperationException(SR.GetString(SR.CantShowModalOnNonInteractive));
}
if (owner != null && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) != 0) {
throw new ArgumentException(SR.GetString(SR.CantShowMBServiceWithOwner), "options");
}
if (showHelp && (options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) != 0) {
throw new ArgumentException(SR.GetString(SR.CantShowMBServiceWithHelp), "options");
}
// demand if not safe known options.
if ((options & ~(MessageBoxOptions.RightAlign | MessageBoxOptions.RtlReading)) != 0) {
// See DDB#163043.
IntSecurity.UnmanagedCode.Demand();
}
IntSecurity.SafeSubWindows.Demand();
int style = (showHelp) ? HELP_BUTTON : 0;
style |= (int) buttons | (int) icon | (int) defaultButton | (int) options;
IntPtr handle = IntPtr.Zero;
if (showHelp || ((options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) == 0)) {
if (owner == null) {
handle = UnsafeNativeMethods.GetActiveWindow();
}
else {
handle = Control.GetSafeHandle(owner);
}
}
IntPtr userCookie = IntPtr.Zero;
if (Application.UseVisualStyles) {
// CLR4.0 or later, shell32.dll needs to be loaded explicitly.
if (UnsafeNativeMethods.GetModuleHandle(ExternDll.Shell32) == IntPtr.Zero) {
if (UnsafeNativeMethods.LoadLibrary(ExternDll.Shell32) == IntPtr.Zero) {
int lastWin32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(lastWin32Error, SR.GetString(SR.LoadDLLError, ExternDll.Shell32));
}
}
// Activate theming scope to get theming for controls at design time and when hosted in browser.
// NOTE: If a theming context is already active, this call is very fast, so shouldn't be a perf issue.
userCookie = UnsafeNativeMethods.ThemingScope.Activate();
}
Application.BeginModalMessageLoop();
DialogResult result;
try {
result = Win32ToDialogResult(SafeNativeMethods.MessageBox(new HandleRef(owner, handle), text, caption, style));
}
finally {
Application.EndModalMessageLoop();
UnsafeNativeMethods.ThemingScope.Deactivate(userCookie);
}
// Right after the dialog box is closed, Windows sends WM_SETFOCUS back to the previously active control
// but since we have disabled this thread main window the message is lost. So we have to send it again after
// we enable the main window.
//
UnsafeNativeMethods.SendMessage(new HandleRef(owner, handle), NativeMethods.WM_SETFOCUS, 0, 0);
return result;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- _DomainName.cs
- ObjectViewEntityCollectionData.cs
- DatatypeImplementation.cs
- SoapServerMessage.cs
- StrongNameKeyPair.cs
- Viewport2DVisual3D.cs
- SmiEventSink.cs
- ComponentResourceKeyConverter.cs
- OneWayBindingElement.cs
- ScrollChrome.cs
- EventMappingSettingsCollection.cs
- RTTrackingProfile.cs
- HyperLink.cs
- ToolStripMenuItemCodeDomSerializer.cs
- handlecollector.cs
- WindowsPrincipal.cs
- TextProviderWrapper.cs
- TemplateXamlParser.cs
- RC2.cs
- ConnectionPoint.cs
- FunctionMappingTranslator.cs
- IPHostEntry.cs
- InputScopeAttribute.cs
- SizeFConverter.cs
- ContextMenuService.cs
- MobileControlBuilder.cs
- CodeMemberField.cs
- ComplexTypeEmitter.cs
- View.cs
- OrderByLifter.cs
- CellParaClient.cs
- NegationPusher.cs
- CheckBoxBaseAdapter.cs
- PersonalizationDictionary.cs
- ColumnMap.cs
- RawAppCommandInputReport.cs
- SinglePageViewer.cs
- dsa.cs
- AutoGeneratedFieldProperties.cs
- BuilderElements.cs
- SystemDropShadowChrome.cs
- ByeOperationAsyncResult.cs
- EncodingDataItem.cs
- IconConverter.cs
- Timeline.cs
- METAHEADER.cs
- NullExtension.cs
- SmiContextFactory.cs
- DataGridViewColumnCollection.cs
- AnnotationMap.cs
- HitTestFilterBehavior.cs
- TableParagraph.cs
- DesigntimeLicenseContextSerializer.cs
- BamlLocalizer.cs
- TraceContextRecord.cs
- ValidatorUtils.cs
- EmbossBitmapEffect.cs
- MatrixTransform3D.cs
- ToolboxComponentsCreatingEventArgs.cs
- sqlcontext.cs
- BaseUriHelper.cs
- HtmlElement.cs
- ProtectedConfiguration.cs
- DocumentPageViewAutomationPeer.cs
- LinearKeyFrames.cs
- CustomExpressionEventArgs.cs
- TreeNodeBindingCollection.cs
- VectorAnimationBase.cs
- TableRowsCollectionEditor.cs
- SourceFilter.cs
- EntityAdapter.cs
- DockAndAnchorLayout.cs
- ValueExpressions.cs
- HtmlControl.cs
- SoapElementAttribute.cs
- SerializationInfoEnumerator.cs
- TableCell.cs
- GetWinFXPath.cs
- Regex.cs
- ToolStripRendererSwitcher.cs
- RequestTimeoutManager.cs
- _ShellExpression.cs
- EqualityComparer.cs
- TreeNodeCollection.cs
- Thumb.cs
- arclist.cs
- PrintPreviewControl.cs
- ExtensionQuery.cs
- TextCompositionManager.cs
- FieldAccessException.cs
- Label.cs
- DbConnectionPool.cs
- FontUnit.cs
- InstanceKey.cs
- PeerCredentialElement.cs
- ObjectViewListener.cs
- ForeignConstraint.cs
- LinearKeyFrames.cs
- Membership.cs
- CompensationParticipant.cs