Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Documents / TextTreePropertyUndoUnit.cs / 1 / TextTreePropertyUndoUnit.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Undo unit for TextContainer.SetValue, etc. calls. // // History: // 03/03/2004 : benwest - Created // //--------------------------------------------------------------------------- using System; using MS.Internal; namespace System.Windows.Documents { // Undo unit for TextContainer.SetValue, etc. calls. internal class TextTreePropertyUndoUnit : TextTreeUndoUnit { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Create a new undo unit instance. // symbolOffset is where property values will be set. internal TextTreePropertyUndoUnit(TextContainer tree, int symbolOffset, PropertyRecord propertyRecord) : base(tree, symbolOffset) { _propertyRecord = propertyRecord; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods // Called by the undo manager. Restores tree state to its condition // when the unit was created. Assumes the tree state matches conditions // just after the unit was created. public override void DoCore() { TextPointer position; VerifyTreeContentHashCode(); position = new TextPointer(this.TextContainer, this.SymbolOffset, LogicalDirection.Forward); Invariant.Assert(position.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementStart, "TextTree undo unit out of [....] with TextTree."); if (_propertyRecord.Value != DependencyProperty.UnsetValue) { this.TextContainer.SetValue(position, _propertyRecord.Property, _propertyRecord.Value); } else { position.Parent.ClearValue(_propertyRecord.Property); } } #endregion Public Methods //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ #region Private Fields // Property/value pair to restore. private readonly PropertyRecord _propertyRecord; #endregion Private Fields } } // 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: Undo unit for TextContainer.SetValue, etc. calls. // // History: // 03/03/2004 : benwest - Created // //--------------------------------------------------------------------------- using System; using MS.Internal; namespace System.Windows.Documents { // Undo unit for TextContainer.SetValue, etc. calls. internal class TextTreePropertyUndoUnit : TextTreeUndoUnit { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Create a new undo unit instance. // symbolOffset is where property values will be set. internal TextTreePropertyUndoUnit(TextContainer tree, int symbolOffset, PropertyRecord propertyRecord) : base(tree, symbolOffset) { _propertyRecord = propertyRecord; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods // Called by the undo manager. Restores tree state to its condition // when the unit was created. Assumes the tree state matches conditions // just after the unit was created. public override void DoCore() { TextPointer position; VerifyTreeContentHashCode(); position = new TextPointer(this.TextContainer, this.SymbolOffset, LogicalDirection.Forward); Invariant.Assert(position.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementStart, "TextTree undo unit out of [....] with TextTree."); if (_propertyRecord.Value != DependencyProperty.UnsetValue) { this.TextContainer.SetValue(position, _propertyRecord.Property, _propertyRecord.Value); } else { position.Parent.ClearValue(_propertyRecord.Property); } } #endregion Public Methods //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ #region Private Fields // Property/value pair to restore. private readonly PropertyRecord _propertyRecord; #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
- StaticSiteMapProvider.cs
- ContentType.cs
- StackOverflowException.cs
- HtmlTableCellCollection.cs
- CodeConditionStatement.cs
- PersonalizationProviderHelper.cs
- ImageFormatConverter.cs
- configsystem.cs
- Shape.cs
- OleDbSchemaGuid.cs
- DataObjectSettingDataEventArgs.cs
- DetailsViewInsertedEventArgs.cs
- CaretElement.cs
- WindowsScrollBarBits.cs
- AuthenticationManager.cs
- DBParameter.cs
- AnimationStorage.cs
- LabelAutomationPeer.cs
- DataGridViewElement.cs
- TempEnvironment.cs
- JapaneseCalendar.cs
- StatusBarAutomationPeer.cs
- KnowledgeBase.cs
- WebPartUtil.cs
- SerializationSectionGroup.cs
- PerformanceCounterPermission.cs
- JsonFormatMapping.cs
- TrackingProfile.cs
- StylusPoint.cs
- DataViewManagerListItemTypeDescriptor.cs
- SiteMapProvider.cs
- IPPacketInformation.cs
- TabPage.cs
- TextMetrics.cs
- FontCollection.cs
- CodeTypeConstructor.cs
- M3DUtil.cs
- ExpressionNode.cs
- SubqueryRules.cs
- DataTemplateKey.cs
- SubclassTypeValidatorAttribute.cs
- DeclarativeCatalogPart.cs
- SevenBitStream.cs
- EntityDesignPluralizationHandler.cs
- CompilationLock.cs
- _TransmitFileOverlappedAsyncResult.cs
- GraphicsState.cs
- SizeKeyFrameCollection.cs
- CdpEqualityComparer.cs
- CombinedGeometry.cs
- XPathBuilder.cs
- metadatamappinghashervisitor.cs
- ManipulationBoundaryFeedbackEventArgs.cs
- InteropEnvironment.cs
- unsafenativemethodsother.cs
- DnsPermission.cs
- AssemblyCollection.cs
- SwitchLevelAttribute.cs
- Executor.cs
- Query.cs
- SymbolTable.cs
- WinInetCache.cs
- ObjectListCommandEventArgs.cs
- TextElement.cs
- HScrollBar.cs
- FixedPageProcessor.cs
- HtmlTableRowCollection.cs
- CodeGenerator.cs
- TemplateControlBuildProvider.cs
- MenuItemAutomationPeer.cs
- EntitySet.cs
- CodeCompileUnit.cs
- RemotingConfigParser.cs
- EventsTab.cs
- XmlSchemaObjectTable.cs
- BatchServiceHost.cs
- TextEditor.cs
- PointAnimationUsingPath.cs
- XmlSchemaValidator.cs
- EncoderParameter.cs
- ButtonChrome.cs
- NativeObjectSecurity.cs
- WebBrowser.cs
- MessagePropertyVariants.cs
- DataGridTablesFactory.cs
- HttpContextWrapper.cs
- Crypto.cs
- ConfigXmlText.cs
- DataGridViewElement.cs
- ProcessingInstructionAction.cs
- DbConnectionPoolOptions.cs
- AccessibleObject.cs
- XmlAttributes.cs
- DataGridViewTextBoxEditingControl.cs
- HopperCache.cs
- ObjectStateFormatter.cs
- DataContext.cs
- StandardBindingElement.cs
- RichTextBoxConstants.cs
- MembershipSection.cs