Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / UIAutomation / UIAutomationClient / MS / Internal / Automation / SafeHandles.cs / 1 / SafeHandles.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Various SafeHandles used by UIA // //--------------------------------------------------------------------------- using System; using System.Runtime.InteropServices; using System.Windows.Automation; using System.Windows.Automation.Provider; // PRESHARP: In order to avoid generating warnings about unkown message numbers and unknown pragmas. #pragma warning disable 1634, 1691 namespace MS.Internal.Automation { internal sealed class SafeNodeHandle : SafeHandle { // Called by P/Invoke when returning SafeHandles // (Also used by UiaCoreApi to create invalid handles.) internal SafeNodeHandle() : base(IntPtr.Zero, true) { } // No need to provide a finalizer - SafeHandle's critical finalizer will // call ReleaseHandle for you. public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { return UiaCoreApi.UiaNodeRelease(handle); } } // Internal Class that wraps the IntPtr to the Pattern internal sealed class SafePatternHandle : SafeHandle { // Called by P/Invoke when returning SafeHandles // (Also used by UiaCoreApi to create invalid handles.) internal SafePatternHandle() : base(IntPtr.Zero, true) { } // No need to provide a finalizer - SafeHandle's critical finalizer will // call ReleaseHandle for you. public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { return UiaCoreApi.UiaPatternRelease(handle); } } // Internal Class that wraps the IntPtr to the Event internal sealed class SafeEventHandle : SafeHandle { internal SafeEventHandle() : base(IntPtr.Zero, true) { } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { UiaCoreApi.UiaRemoveEvent(handle); return true; } } } // 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: Various SafeHandles used by UIA // //--------------------------------------------------------------------------- using System; using System.Runtime.InteropServices; using System.Windows.Automation; using System.Windows.Automation.Provider; // PRESHARP: In order to avoid generating warnings about unkown message numbers and unknown pragmas. #pragma warning disable 1634, 1691 namespace MS.Internal.Automation { internal sealed class SafeNodeHandle : SafeHandle { // Called by P/Invoke when returning SafeHandles // (Also used by UiaCoreApi to create invalid handles.) internal SafeNodeHandle() : base(IntPtr.Zero, true) { } // No need to provide a finalizer - SafeHandle's critical finalizer will // call ReleaseHandle for you. public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { return UiaCoreApi.UiaNodeRelease(handle); } } // Internal Class that wraps the IntPtr to the Pattern internal sealed class SafePatternHandle : SafeHandle { // Called by P/Invoke when returning SafeHandles // (Also used by UiaCoreApi to create invalid handles.) internal SafePatternHandle() : base(IntPtr.Zero, true) { } // No need to provide a finalizer - SafeHandle's critical finalizer will // call ReleaseHandle for you. public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { return UiaCoreApi.UiaPatternRelease(handle); } } // Internal Class that wraps the IntPtr to the Event internal sealed class SafeEventHandle : SafeHandle { internal SafeEventHandle() : base(IntPtr.Zero, true) { } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { UiaCoreApi.UiaRemoveEvent(handle); return true; } } } // 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
- PagerSettings.cs
- MoveSizeWinEventHandler.cs
- DataControlFieldsEditor.cs
- DecimalKeyFrameCollection.cs
- WriterOutput.cs
- JavaScriptObjectDeserializer.cs
- Funcletizer.cs
- PKCS1MaskGenerationMethod.cs
- HelloMessageApril2005.cs
- XNodeNavigator.cs
- HandlerBase.cs
- ScrollPattern.cs
- xmlglyphRunInfo.cs
- CapabilitiesAssignment.cs
- RangeValuePattern.cs
- ParallelSeparator.xaml.cs
- PagesChangedEventArgs.cs
- BindingGroup.cs
- ListBoxAutomationPeer.cs
- RelationalExpressions.cs
- QueryResult.cs
- KeyValueSerializer.cs
- CannotUnloadAppDomainException.cs
- PrtCap_Base.cs
- DomainConstraint.cs
- TemplatedEditableDesignerRegion.cs
- RequestStatusBarUpdateEventArgs.cs
- PagesSection.cs
- SchemaObjectWriter.cs
- JsonFormatGeneratorStatics.cs
- OdbcDataAdapter.cs
- regiisutil.cs
- DataGridViewColumnHeaderCell.cs
- ObjectKeyFrameCollection.cs
- TraceSwitch.cs
- PackageDigitalSignature.cs
- Semaphore.cs
- UrlMappingsModule.cs
- Switch.cs
- XamlReaderHelper.cs
- NetMsmqBinding.cs
- TopClause.cs
- XmlAtomErrorReader.cs
- AttachedPropertyBrowsableAttribute.cs
- ThreadPool.cs
- ModelFunctionTypeElement.cs
- SpnEndpointIdentityExtension.cs
- TextSelectionHelper.cs
- NextPreviousPagerField.cs
- TextPattern.cs
- DocumentApplicationJournalEntry.cs
- XPathBuilder.cs
- LocalizableResourceBuilder.cs
- Camera.cs
- Int16Converter.cs
- PageCodeDomTreeGenerator.cs
- TextBlock.cs
- WeakHashtable.cs
- NullableFloatAverageAggregationOperator.cs
- FontEmbeddingManager.cs
- XmlSchemaGroup.cs
- IgnorePropertiesAttribute.cs
- AppDomainUnloadedException.cs
- AnimationLayer.cs
- BitConverter.cs
- ToggleButton.cs
- CodeTypeReferenceExpression.cs
- DataSetUtil.cs
- TreeViewItemAutomationPeer.cs
- EarlyBoundInfo.cs
- ColumnHeaderCollectionEditor.cs
- WithStatement.cs
- GenericArgumentsUpdater.cs
- AdRotator.cs
- TokenBasedSetEnumerator.cs
- ClipboardData.cs
- UIPermission.cs
- AppliedDeviceFiltersDialog.cs
- DrawListViewSubItemEventArgs.cs
- HtmlInputImage.cs
- UnSafeCharBuffer.cs
- RawContentTypeMapper.cs
- MarkerProperties.cs
- UnhandledExceptionEventArgs.cs
- ToolStripLabel.cs
- StringToken.cs
- LineInfo.cs
- SessionEndingEventArgs.cs
- AstTree.cs
- ECDiffieHellmanCng.cs
- ToolStripContentPanel.cs
- DeploymentSectionCache.cs
- AnnotationObservableCollection.cs
- FullTextState.cs
- SvcMapFileSerializer.cs
- FormsAuthenticationTicket.cs
- SqlRowUpdatingEvent.cs
- AlternateViewCollection.cs
- HttpWebResponse.cs
- PermissionAttributes.cs