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
- WebHttpBindingElement.cs
- CustomAttributeBuilder.cs
- CompModSwitches.cs
- StringSource.cs
- CapiSymmetricAlgorithm.cs
- ServiceContractListItem.cs
- Label.cs
- OutputCacheSection.cs
- StructuredTypeEmitter.cs
- ConfigurationPropertyCollection.cs
- dataobject.cs
- CompensationParticipant.cs
- EditorBrowsableAttribute.cs
- ConfigXmlComment.cs
- GetPageCompletedEventArgs.cs
- TableLayoutSettingsTypeConverter.cs
- PropertiesTab.cs
- CommentGlyph.cs
- SqlException.cs
- HttpListenerResponse.cs
- DataSourceGroupCollection.cs
- HttpException.cs
- Quaternion.cs
- ProjectionNode.cs
- PlatformNotSupportedException.cs
- DefaultTraceListener.cs
- RuleSettings.cs
- BulletDecorator.cs
- Encoder.cs
- InputLanguageEventArgs.cs
- ScalarType.cs
- PointAnimationUsingKeyFrames.cs
- Repeater.cs
- GatewayIPAddressInformationCollection.cs
- SqlConnectionPoolProviderInfo.cs
- MemoryStream.cs
- Base64Encoder.cs
- DataPagerCommandEventArgs.cs
- ColorConvertedBitmap.cs
- IItemProperties.cs
- DocumentReference.cs
- SkewTransform.cs
- OnOperation.cs
- Validator.cs
- IBuiltInEvidence.cs
- FontSource.cs
- TripleDES.cs
- AttachedProperty.cs
- CookieProtection.cs
- WebAdminConfigurationHelper.cs
- DoubleLink.cs
- PhysicalOps.cs
- JulianCalendar.cs
- ParsedAttributeCollection.cs
- ClickablePoint.cs
- UIElementCollection.cs
- ActivityInfo.cs
- BamlRecords.cs
- XmlSchemaAttributeGroup.cs
- AppSettingsExpressionBuilder.cs
- TextTreeDeleteContentUndoUnit.cs
- _WinHttpWebProxyDataBuilder.cs
- EventLogPermission.cs
- FragmentQueryProcessor.cs
- ToggleProviderWrapper.cs
- RemoteWebConfigurationHost.cs
- RecognizedAudio.cs
- PageCodeDomTreeGenerator.cs
- CustomValidator.cs
- QueryCacheKey.cs
- DesignerTextBoxAdapter.cs
- DbProviderFactory.cs
- UnsafeNativeMethods.cs
- CoreChannel.cs
- AuthorizationSection.cs
- ThreadSafeList.cs
- DataGridHeaderBorder.cs
- RegistryKey.cs
- PropertyDescriptorComparer.cs
- DispatcherExceptionEventArgs.cs
- TextEditorSpelling.cs
- _NestedSingleAsyncResult.cs
- XmlIgnoreAttribute.cs
- PeerResolverSettings.cs
- DataGridView.cs
- DetailsViewCommandEventArgs.cs
- DependencyObjectProvider.cs
- ZipIOLocalFileBlock.cs
- XmlDataDocument.cs
- XmlDataImplementation.cs
- RelationshipWrapper.cs
- EventLogEntryCollection.cs
- Bookmark.cs
- ScrollProviderWrapper.cs
- COM2ComponentEditor.cs
- StylusPointPropertyInfo.cs
- GenericPrincipal.cs
- WebPartRestoreVerb.cs
- SynchronizingStream.cs
- XpsFixedPageReaderWriter.cs