Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / MS / Internal / PtsHost / EmbeddedObject.cs / 1 / EmbeddedObject.cs
// // Copyright (C) Microsoft Corporation. All rights reserved. // // File: EmbeddedObject.cs // // Description: Definition for embedded object inside a text paragraph. // // History: // 05/05/2003 : [....] - moving from Avalon branch. // //---------------------------------------------------------------------------- using System; using System.Windows; using MS.Internal.Documents; using MS.Internal.PtsHost.UnsafeNativeMethods; namespace MS.Internal.PtsHost { ////// EmbeddedObject class stores information about object embedded within /// a text paragraph. /// internal abstract class EmbeddedObject { ////// Constructor. /// /// /// Embedded object's character position. /// protected EmbeddedObject(int dcp) { Dcp = dcp; } ////// Dispose object. /// internal virtual void Dispose() { } ////// Update object using date from another embedded object of the same /// type. /// /// /// Source of updated data. /// internal abstract void Update(EmbeddedObject newObject); ////// Embedded object's owner. /// internal abstract DependencyObject Element { get; } ////// Position within a text paragraph (number of characters from the /// beginning of text paragraph). /// internal int Dcp; } ////// Stores information about attached object embedded within a text paragraph. /// internal class AttachedObject : EmbeddedObject { ////// Constructor. /// /// /// Attached object's character position. /// /// /// Paragraph associated with attached object. /// internal AttachedObject(int dcp, BaseParagraph para) : base(dcp) { Para = para; } ////// Dispose object. /// internal override void Dispose() { Para.Dispose(); Para = null; base.Dispose(); } ////// Update object using date from another attached object of the same /// type. /// /// /// Source of updated data. /// internal override void Update(EmbeddedObject newObject) { AttachedObject newAttachedObject = newObject as AttachedObject; ErrorHandler.Assert(newAttachedObject != null, ErrorHandler.EmbeddedObjectTypeMismatch); ErrorHandler.Assert(newAttachedObject.Element.Equals(Element), ErrorHandler.EmbeddedObjectOwnerMismatch); Dcp = newAttachedObject.Dcp; Para.SetUpdateInfo(PTS.FSKCHANGE.fskchInside, false); } ////// Attached object's owner. /// internal override DependencyObject Element { get { return Para.Element; } } ////// Paragraph associated with attached object. /// internal BaseParagraph Para; } ////// Stores information about inline object embedded within a text line. /// internal sealed class InlineObject : EmbeddedObject { ////// Constructor. /// /// /// Embedded object's character position. /// /// /// UIElementIsland associated with embedded object. /// /// /// TextParagraph associated with embedded object. /// internal InlineObject(int dcp, UIElementIsland uiElementIsland, TextParagraph para) : base(dcp) { _para = para; _uiElementIsland = uiElementIsland; _uiElementIsland.DesiredSizeChanged += new DesiredSizeChangedEventHandler(_para.OnUIElementDesiredSizeChanged); } ////// Dispose object. /// internal override void Dispose() { if (_uiElementIsland != null) { _uiElementIsland.DesiredSizeChanged -= new DesiredSizeChangedEventHandler(_para.OnUIElementDesiredSizeChanged); } base.Dispose(); } ////// Update object using date from another embedded object of the same /// type. /// /// /// Source of updated data. /// internal override void Update(EmbeddedObject newObject) { // These should definitely be the same InlineObject newInline = newObject as InlineObject; ErrorHandler.Assert(newInline != null, ErrorHandler.EmbeddedObjectTypeMismatch); ErrorHandler.Assert(newInline._uiElementIsland == _uiElementIsland, ErrorHandler.EmbeddedObjectOwnerMismatch); // We've ensured ownership is still with the old InlineObject, so we now null this out to prevent dispose from disconnecting. newInline._uiElementIsland = null; } ////// Embedded object's owner. /// internal override DependencyObject Element { get { return _uiElementIsland.Root; } } private UIElementIsland _uiElementIsland; private TextParagraph _para; } ////// Stores information about figure embedded within a text paragraph. /// internal sealed class FigureObject : AttachedObject { ////// Constructor. /// /// /// Figure object's character position. /// /// /// Paragraph associated with figure object. /// internal FigureObject(int dcp, FigureParagraph para) : base(dcp, para) { } } ////// Stores information about floater embedded within a text paragraph. /// internal sealed class FloaterObject : AttachedObject { ////// Constructor. /// /// /// Floater object's character position. /// /// /// Paragraph associated with floater object. /// internal FloaterObject(int dcp, FloaterParagraph para) : base(dcp, para) { } } } // 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
- TreeViewItemAutomationPeer.cs
- CatalogPart.cs
- HttpDictionary.cs
- ProjectionCamera.cs
- GiveFeedbackEvent.cs
- WebConfigurationHost.cs
- ScriptResourceHandler.cs
- LayeredChannelListener.cs
- UpdateTracker.cs
- DataTable.cs
- XmlSerializer.cs
- CustomTrackingQuery.cs
- CoreSwitches.cs
- OptimizedTemplateContent.cs
- SqlPersonalizationProvider.cs
- TemplatedAdorner.cs
- SystemColorTracker.cs
- ToolStripArrowRenderEventArgs.cs
- GridEntryCollection.cs
- ConcurrencyMode.cs
- Guid.cs
- LoginName.cs
- activationcontext.cs
- WebPartDeleteVerb.cs
- InvalidateEvent.cs
- AssemblyCollection.cs
- AttributeData.cs
- XamlRtfConverter.cs
- mil_commands.cs
- TabItem.cs
- GeometryConverter.cs
- AspCompat.cs
- SinglePageViewer.cs
- UTF8Encoding.cs
- VarRefManager.cs
- SharedPersonalizationStateInfo.cs
- SafeNativeMethods.cs
- TextSpan.cs
- ViewBase.cs
- SerializationTrace.cs
- TokenBasedSet.cs
- WebPartPersonalization.cs
- ObjectDataSourceMethodEventArgs.cs
- HttpListenerRequest.cs
- Msec.cs
- NotEqual.cs
- TheQuery.cs
- TargetInvocationException.cs
- CodeGenHelper.cs
- Monitor.cs
- ipaddressinformationcollection.cs
- CodeTypeReference.cs
- SqlDataSourceEnumerator.cs
- Size3DValueSerializer.cs
- DefaultSettingsSection.cs
- ObjectQuery.cs
- SecureStringHasher.cs
- ColorMap.cs
- Style.cs
- FileUpload.cs
- OleDbSchemaGuid.cs
- TrustLevel.cs
- FilteredXmlReader.cs
- TreeNode.cs
- WorkflowPrinting.cs
- Int32Collection.cs
- BindingSource.cs
- SectionVisual.cs
- AuthenticationSection.cs
- FreezableCollection.cs
- XmlCountingReader.cs
- Socket.cs
- TrackingServices.cs
- SocketException.cs
- ProviderSettings.cs
- COM2IDispatchConverter.cs
- StringUtil.cs
- OleDbParameter.cs
- PingOptions.cs
- InputBuffer.cs
- SSmlParser.cs
- ColorTransform.cs
- AggregationMinMaxHelpers.cs
- SvcMapFileLoader.cs
- InstanceDescriptor.cs
- ChangeTracker.cs
- WindowInteractionStateTracker.cs
- ToolStripArrowRenderEventArgs.cs
- C14NUtil.cs
- Atom10FeedFormatter.cs
- ContentValidator.cs
- ZipPackagePart.cs
- DataRowExtensions.cs
- XmlBinaryReader.cs
- DelegateTypeInfo.cs
- FusionWrap.cs
- XhtmlBasicValidatorAdapter.cs
- SplineKeyFrames.cs
- FormatterConverter.cs
- Speller.cs