Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / AccessibleTech / longhorn / Automation / UIAutomationTypes / System / Windows / Automation / AutomationIdentifier.cs / 1 / AutomationIdentifier.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Base class for Automation Idenfitiers (Property, Event, etc.) // // History: // 06/02/2003 : [....] Ported to WCP // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Diagnostics; using MS.Internal.Automation; namespace System.Windows.Automation { ////// Base class for object identity based identifiers. /// Implement ISerializable to ensure that it remotes propertly /// This class is effectively abstract, only derived classes are /// instantiated. /// #if (INTERNAL_COMPILE) internal class AutomationIdentifier : IComparable #else public class AutomationIdentifier : IComparable #endif { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Internal so only our own derived classes can actually // use this class. (3rd party classes can try deriving, // but the internal ctor will prevent instantiation.) internal AutomationIdentifier(UiaCoreTypesApi.AutomationIdType type, int id, Guid guid, string programmaticName) { Debug.Assert(id != 0); _id = id; _type = type; _guid = guid; _programmaticName = programmaticName; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// Returns underlying identifier as used by provider interfaces. /// ////// Use LookupById method to convert back from Id to an /// AutomationIdentifier /// public int Id { get { return _id; } } ////// Returns the programmatic name passed in on registration. /// ////// Appends the type to the programmatic name. /// public string ProgrammaticName { get { return _programmaticName; } } #endregion Public Properties //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Tests whether two AutomationIdentifier objects are equivalent /// public override bool Equals( object obj ) { return obj == (object)this; } ////// Overrides Object.GetHashCode() /// public override int GetHashCode() { return base.GetHashCode(); } ////// For IComparable() /// public int CompareTo(object obj) { Debug.Assert(obj != null, "Null obj!"); if (obj == null) throw new ArgumentNullException("obj"); // Ordering allows arrays of references to these to be sorted - though the sort order is undefined. Debug.Assert(obj is AutomationIdentifier, "CompareTo called with unexpected type"); return GetHashCode() - obj.GetHashCode(); } #endregion Public Methods //----------------------------------------------------- // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static AutomationIdentifier Register(UiaCoreTypesApi.AutomationIdType type, Guid guid, string programmaticName) { // Get internal id from the guid... int id = UiaCoreTypesApi.UiaLookupId(type, ref guid); if (id == 0) { Debug.Assert(id != 0, "Identifier not recognized by core - " + guid); return null; } lock (_idTable) { // See if instance already exists... AutomationIdentifier autoid = (AutomationIdentifier)_idTable[guid]; if (autoid != null) { return autoid; } // If not, create one... switch (type) { case UiaCoreTypesApi.AutomationIdType.Property: autoid = new AutomationProperty(id, guid, programmaticName); break; case UiaCoreTypesApi.AutomationIdType.Event: autoid = new AutomationEvent(id, guid, programmaticName); break; case UiaCoreTypesApi.AutomationIdType.TextAttribute: autoid = new AutomationTextAttribute(id, guid, programmaticName); break; case UiaCoreTypesApi.AutomationIdType.Pattern: autoid = new AutomationPattern(id, guid, programmaticName); break; case UiaCoreTypesApi.AutomationIdType.ControlType: autoid = new ControlType(id, guid, programmaticName); break; default: Debug.Assert(false, "Invalid type specified for AutomationIdentifier"); throw new InvalidOperationException("Invalid type specified for AutomationIdentifier"); } _idTable[id] = autoid; return autoid; } } internal static AutomationIdentifier LookupById(UiaCoreTypesApi.AutomationIdType type, int id) { AutomationIdentifier autoid; lock (_idTable) { autoid = (AutomationIdentifier) _idTable[id]; } if(autoid == null) { return null; } if(autoid._type != type) { return null; } return autoid; } #endregion Internal Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private Guid _guid; private UiaCoreTypesApi.AutomationIdType _type; private int _id; // value used in core private string _programmaticName; // As of 8/18/03 there were 187 entries added in a normal loading private static Hashtable _idTable = new Hashtable(200,1.0f); #endregion Private Fields } } // 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
- NamespaceListProperty.cs
- DataBindingValueUIHandler.cs
- BuildProvidersCompiler.cs
- TextTreeInsertUndoUnit.cs
- KoreanLunisolarCalendar.cs
- SamlNameIdentifierClaimResource.cs
- HttpCachePolicy.cs
- Events.cs
- BitmapMetadataBlob.cs
- WindowInteractionStateTracker.cs
- UiaCoreApi.cs
- DaylightTime.cs
- ScriptResourceAttribute.cs
- IERequestCache.cs
- SHA256Managed.cs
- ContentElement.cs
- SecurityContext.cs
- ProxyHelper.cs
- ParameterModifier.cs
- ViewSimplifier.cs
- RadioButtonAutomationPeer.cs
- mediaeventshelper.cs
- CopyCodeAction.cs
- RtType.cs
- KoreanCalendar.cs
- StylusPointPropertyId.cs
- WebPartCancelEventArgs.cs
- BooleanFunctions.cs
- PathFigure.cs
- SpellCheck.cs
- TransactionScope.cs
- SqlMethodAttribute.cs
- ModuleBuilderData.cs
- RNGCryptoServiceProvider.cs
- LoginName.cs
- Int32CAMarshaler.cs
- XmlDictionaryReader.cs
- Rect.cs
- Axis.cs
- XmlName.cs
- SiteMapSection.cs
- InvalidCommandTreeException.cs
- HtmlForm.cs
- AttachInfo.cs
- SignatureConfirmations.cs
- TypefaceMetricsCache.cs
- FixedTextSelectionProcessor.cs
- LogicalTreeHelper.cs
- XamlSerializationHelper.cs
- DBConcurrencyException.cs
- BamlLocalizer.cs
- ErrorWrapper.cs
- StandardToolWindows.cs
- EdmFunctionAttribute.cs
- RelationshipWrapper.cs
- X509SecurityTokenProvider.cs
- EntityTypeBase.cs
- TickBar.cs
- DataList.cs
- SecurityManager.cs
- UnsettableComboBox.cs
- SoapServerMessage.cs
- ImageMetadata.cs
- Int32.cs
- ByteRangeDownloader.cs
- TableLayout.cs
- FlowDocumentPage.cs
- ShapeTypeface.cs
- sqlcontext.cs
- SchemaConstraints.cs
- DataGridViewCellFormattingEventArgs.cs
- DataGridViewTopRowAccessibleObject.cs
- InputBinder.cs
- GridViewDeleteEventArgs.cs
- EpmTargetTree.cs
- DataSourceSerializationException.cs
- ManagementDateTime.cs
- TextSearch.cs
- RealizationDrawingContextWalker.cs
- ServicesUtilities.cs
- ToolStripContentPanelDesigner.cs
- TextDecorationUnitValidation.cs
- ToolStripPanelDesigner.cs
- PriorityChain.cs
- MultiAsyncResult.cs
- BehaviorEditorPart.cs
- OrderedEnumerableRowCollection.cs
- TypeDescriptorFilterService.cs
- ReversePositionQuery.cs
- MessagingDescriptionAttribute.cs
- SimpleRecyclingCache.cs
- DatePickerTextBox.cs
- EnumCodeDomSerializer.cs
- TemplatePropertyEntry.cs
- GC.cs
- GlobalizationAssembly.cs
- XhtmlConformanceSection.cs
- NumberSubstitution.cs
- HyperLinkStyle.cs
- InsufficientMemoryException.cs