Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / UIAutomation / Win32Providers / MS / Internal / AutomationProxies / WindowsFormsHelpers.cs / 1 / WindowsFormsHelpers.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: // This proxy is the base class for all proxies that support Windows // Forms controls. // All generic Windows Forms functionality goes here. // // History: // 07/01/2003 : a-jeanp Created //--------------------------------------------------------------------------- using System; using System.Text; using System.Collections; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Runtime.InteropServices; using MS.Win32; namespace MS.Internal.AutomationProxies { // Helper static class used by the Win32 proxies to get Winforms information static class WindowsFormsHelper { #region Proxy Create // Static Create method called by UIAutomation to create proxies for Winforms controls. // returns null if unsuccessful internal static IRawElementProviderSimple Create(IntPtr hwnd, int idChild, int idObject) { // Currently there is an issue with CLR remoting that causes Accessible.CreateNativeFromEvent() to fail // for Winforms controls. Until that is resolved use AccessibleObjectFromWindow() instead. It will // return a Native IAccessble and not a OleAcc implementaion. Winforms does provide a Native IAccessible. Accessible acc = null; if (Accessible.AccessibleObjectFromWindow(hwnd, idObject, ref acc) != NativeMethods.S_OK || acc == null) { return null; } switch (acc.Role) { // =========================================================== // WinformsSpinner controls are not identifiable by classname or // other simple properties. The following case calls the // WinformsSpinner constructor which in turn tries to establish // the class of the control as a fact or returns null. case AccessibleRole.Combobox: return WinformsSpinner.Create( hwnd, idChild, idObject ); // =========================================================== case AccessibleRole.SpinButton: return WindowsUpDown.Create( hwnd, idChild, idObject ); case AccessibleRole.Grouping: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.GroupBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.StatusBar: WindowsStatusBar sb = new WindowsStatusBar(hwnd, null, 0, acc); if (sb == null) { return null; } return idChild == NativeMethods.CHILD_SELF ? sb : sb.CreateStatusBarPane(idChild); default: break; } return null; } // Static Create method called by UIAutomation to create a Button proxy for Winforms Buttons. // returns null if unsuccessful internal static IRawElementProviderSimple CreateButton(IntPtr hwnd) { // Currently there is an issue with CLR remoting that causes Accessible.CreateNativeFromEvent() to fail // for Winforms controls. Until that is resolved use AccessibleObjectFromWindow() instead. It will // return a Native IAccessble and not a OleAcc implementaion. Winforms does provide a Native IAccessible. Accessible acc = null; if (Accessible.AccessibleObjectFromWindow(hwnd, NativeMethods.OBJID_CLIENT, ref acc) != NativeMethods.S_OK || acc == null) { return null; } switch (acc.Role) { case AccessibleRole.CheckButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.CheckBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.Grouping: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.GroupBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.PushButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.PushButton, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.RadioButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.RadioButton, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); default: break; } return null; } #endregion #region Internal Methods // ------------------------------------------------------ // // Internal Methods // // ----------------------------------------------------- // Checks if an hwnd is a winform. // Returns True/False if the hwnd is a winform. static internal FormControlState GetControlState(IntPtr hwnd) { return IsWindowsFormsControl(hwnd) ? FormControlState.True : FormControlState.False; } // Checks if an a class name is a winform classname. // Returns True/False if the classname is a winform. static internal bool IsWindowsFormsControl(string className) { return className.IndexOf(_WindowsFormsClassName, StringComparison.OrdinalIgnoreCase) > -1; } // Checks if an a class name is a winform classname. // Returns True/False if the classname is a winform. static internal bool IsWindowsFormsControl(IntPtr hwnd) { return IsWindowsFormsControl(Misc.GetClassName(hwnd)); } static internal bool IsWindowsFormsControl(IntPtr hwnd, ref FormControlState state) { if (state == FormControlState.Undeterminate) { state = GetControlState(hwnd); } return state == FormControlState.True ? true : false; } // The control name is the only real "Persistent" ID in Windows Forms static internal string WindowsFormsID(IntPtr hwnd) { return GetControlName(hwnd); } // Extract the internal Name property of the Windows Forms control using // the WM_GETCONTROLNAME message. static internal string GetControlName(IntPtr hwnd) { string winFormsID = ""; if (XSendMessage.XSend(hwnd, WM_GETCONTROLNAME, new IntPtr(Misc.MaxLengthNameProperty), ref winFormsID, Misc.MaxLengthNameProperty)) { return winFormsID; } return null; } #endregion #region Internal Fields // ------------------------------------------------------ // // Internal Fields // // ------------------------------------------------------ // The different states for figurating out if an hwnd is a winform. // Underminate implies value not set yet. Must call GetControlState, // otherwise the state is cached. internal enum FormControlState { Undeterminate, False, True, } #endregion #region Private Fields // ----------------------------------------------------- // // Private Fields // // ------------------------------------------------------ // Use this string to determine if this is a Windows Forms control or not private const string _WindowsFormsClassName = "windowsforms"; // Private Message to know the underlying name for a control private static int WM_GETCONTROLNAME = Misc.RegisterWindowMessage("WM_GETCONTROLNAME"); #endregion } } // 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. // // // // Description: // This proxy is the base class for all proxies that support Windows // Forms controls. // All generic Windows Forms functionality goes here. // // History: // 07/01/2003 : a-jeanp Created //--------------------------------------------------------------------------- using System; using System.Text; using System.Collections; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Runtime.InteropServices; using MS.Win32; namespace MS.Internal.AutomationProxies { // Helper static class used by the Win32 proxies to get Winforms information static class WindowsFormsHelper { #region Proxy Create // Static Create method called by UIAutomation to create proxies for Winforms controls. // returns null if unsuccessful internal static IRawElementProviderSimple Create(IntPtr hwnd, int idChild, int idObject) { // Currently there is an issue with CLR remoting that causes Accessible.CreateNativeFromEvent() to fail // for Winforms controls. Until that is resolved use AccessibleObjectFromWindow() instead. It will // return a Native IAccessble and not a OleAcc implementaion. Winforms does provide a Native IAccessible. Accessible acc = null; if (Accessible.AccessibleObjectFromWindow(hwnd, idObject, ref acc) != NativeMethods.S_OK || acc == null) { return null; } switch (acc.Role) { // =========================================================== // WinformsSpinner controls are not identifiable by classname or // other simple properties. The following case calls the // WinformsSpinner constructor which in turn tries to establish // the class of the control as a fact or returns null. case AccessibleRole.Combobox: return WinformsSpinner.Create( hwnd, idChild, idObject ); // =========================================================== case AccessibleRole.SpinButton: return WindowsUpDown.Create( hwnd, idChild, idObject ); case AccessibleRole.Grouping: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.GroupBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.StatusBar: WindowsStatusBar sb = new WindowsStatusBar(hwnd, null, 0, acc); if (sb == null) { return null; } return idChild == NativeMethods.CHILD_SELF ? sb : sb.CreateStatusBarPane(idChild); default: break; } return null; } // Static Create method called by UIAutomation to create a Button proxy for Winforms Buttons. // returns null if unsuccessful internal static IRawElementProviderSimple CreateButton(IntPtr hwnd) { // Currently there is an issue with CLR remoting that causes Accessible.CreateNativeFromEvent() to fail // for Winforms controls. Until that is resolved use AccessibleObjectFromWindow() instead. It will // return a Native IAccessble and not a OleAcc implementaion. Winforms does provide a Native IAccessible. Accessible acc = null; if (Accessible.AccessibleObjectFromWindow(hwnd, NativeMethods.OBJID_CLIENT, ref acc) != NativeMethods.S_OK || acc == null) { return null; } switch (acc.Role) { case AccessibleRole.CheckButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.CheckBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.Grouping: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.GroupBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.PushButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.PushButton, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); case AccessibleRole.RadioButton: return new WindowsButton(hwnd, null, WindowsButton.ButtonType.RadioButton, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc); default: break; } return null; } #endregion #region Internal Methods // ------------------------------------------------------ // // Internal Methods // // ----------------------------------------------------- // Checks if an hwnd is a winform. // Returns True/False if the hwnd is a winform. static internal FormControlState GetControlState(IntPtr hwnd) { return IsWindowsFormsControl(hwnd) ? FormControlState.True : FormControlState.False; } // Checks if an a class name is a winform classname. // Returns True/False if the classname is a winform. static internal bool IsWindowsFormsControl(string className) { return className.IndexOf(_WindowsFormsClassName, StringComparison.OrdinalIgnoreCase) > -1; } // Checks if an a class name is a winform classname. // Returns True/False if the classname is a winform. static internal bool IsWindowsFormsControl(IntPtr hwnd) { return IsWindowsFormsControl(Misc.GetClassName(hwnd)); } static internal bool IsWindowsFormsControl(IntPtr hwnd, ref FormControlState state) { if (state == FormControlState.Undeterminate) { state = GetControlState(hwnd); } return state == FormControlState.True ? true : false; } // The control name is the only real "Persistent" ID in Windows Forms static internal string WindowsFormsID(IntPtr hwnd) { return GetControlName(hwnd); } // Extract the internal Name property of the Windows Forms control using // the WM_GETCONTROLNAME message. static internal string GetControlName(IntPtr hwnd) { string winFormsID = ""; if (XSendMessage.XSend(hwnd, WM_GETCONTROLNAME, new IntPtr(Misc.MaxLengthNameProperty), ref winFormsID, Misc.MaxLengthNameProperty)) { return winFormsID; } return null; } #endregion #region Internal Fields // ------------------------------------------------------ // // Internal Fields // // ------------------------------------------------------ // The different states for figurating out if an hwnd is a winform. // Underminate implies value not set yet. Must call GetControlState, // otherwise the state is cached. internal enum FormControlState { Undeterminate, False, True, } #endregion #region Private Fields // ----------------------------------------------------- // // Private Fields // // ------------------------------------------------------ // Use this string to determine if this is a Windows Forms control or not private const string _WindowsFormsClassName = "windowsforms"; // Private Message to know the underlying name for a control private static int WM_GETCONTROLNAME = Misc.RegisterWindowMessage("WM_GETCONTROLNAME"); #endregion } } // 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
- ObjectToIdCache.cs
- UpdateTranslator.cs
- TextEditorCopyPaste.cs
- TypeExtension.cs
- TransactionFlowProperty.cs
- InfoCardSymmetricAlgorithm.cs
- FormsAuthenticationCredentials.cs
- ObjectListCommandsPage.cs
- RelAssertionDirectKeyIdentifierClause.cs
- Container.cs
- DbProviderManifest.cs
- BreakRecordTable.cs
- CompoundFileStorageReference.cs
- ReadOnlyPermissionSet.cs
- GuidelineCollection.cs
- WebPartConnectionsConnectVerb.cs
- SamlAudienceRestrictionCondition.cs
- ApplicationBuildProvider.cs
- MetadataPropertyAttribute.cs
- DataControlField.cs
- XsdDateTime.cs
- GeneralTransform3D.cs
- CaseInsensitiveComparer.cs
- Run.cs
- AutoResizedEvent.cs
- PrimitiveCodeDomSerializer.cs
- MiniConstructorInfo.cs
- UnhandledExceptionEventArgs.cs
- WrappedDispatcherException.cs
- ObjectAnimationUsingKeyFrames.cs
- ElementMarkupObject.cs
- WindowsScrollBar.cs
- BitmapEncoder.cs
- UxThemeWrapper.cs
- GuidelineSet.cs
- errorpatternmatcher.cs
- DnsPermission.cs
- SystemInformation.cs
- HttpStaticObjectsCollectionBase.cs
- StringUtil.cs
- ParameterBuilder.cs
- CalendarButton.cs
- ListDictionaryInternal.cs
- AQNBuilder.cs
- OrderByBuilder.cs
- MergeFailedEvent.cs
- LoaderAllocator.cs
- BasicHttpMessageSecurity.cs
- BaseCollection.cs
- SmiRecordBuffer.cs
- RegexFCD.cs
- SineEase.cs
- DefaultHttpHandler.cs
- JpegBitmapEncoder.cs
- AttributeEmitter.cs
- VisualTransition.cs
- ControlParameter.cs
- ImageInfo.cs
- BuildProvider.cs
- _SSPIWrapper.cs
- RelatedImageListAttribute.cs
- CollectionsUtil.cs
- DebugViewWriter.cs
- validationstate.cs
- DispatchWrapper.cs
- JsonReaderDelegator.cs
- TemplateColumn.cs
- RulePatternOps.cs
- AddingNewEventArgs.cs
- SymmetricSecurityProtocol.cs
- EntityDataSourceSelectedEventArgs.cs
- Setter.cs
- ContextMenuAutomationPeer.cs
- AlignmentXValidation.cs
- EmptyQuery.cs
- Brushes.cs
- EntityDataSourceDataSelectionPanel.cs
- TreeNodeCollection.cs
- ZipIOCentralDirectoryFileHeader.cs
- SynchronizationLockException.cs
- WebControlAdapter.cs
- IOException.cs
- DbConnectionPoolCounters.cs
- CodeMemberEvent.cs
- ConstructorBuilder.cs
- FilterRepeater.cs
- PointIndependentAnimationStorage.cs
- ContainerParaClient.cs
- BinHexEncoder.cs
- MetadataWorkspace.cs
- HttpModulesSection.cs
- SelectionService.cs
- DataAdapter.cs
- Camera.cs
- querybuilder.cs
- Light.cs
- MimeMultiPart.cs
- DeclarationUpdate.cs
- hwndwrapper.cs
- DiscreteKeyFrames.cs