Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Controls / TextChangedEventArgs.cs / 1 / TextChangedEventArgs.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: TextChanged event argument. // // History: // 09/27/2004 : psarrett - Created // //--------------------------------------------------------------------------- using System.ComponentModel; using System.Windows.Documents; using System.Collections.Generic; using System.Collections.ObjectModel; namespace System.Windows.Controls { #region TextChangedEvent ////// How the undo stack caused or is affected by a text change. /// public enum UndoAction { ////// This change will not affect the undo stack at all /// None = 0, ////// This change will merge into the previous undo unit /// Merge = 1, ////// This change is the result of a call to Undo() /// Undo = 2, ////// This change is the result of a call to Redo() /// Redo = 3, ////// This change will clear the undo stack /// Clear = 4, ////// This change will create a new undo unit /// Create = 5 } ////// The delegate to use for handlers that receive TextChangedEventArgs /// public delegate void TextChangedEventHandler(object sender, TextChangedEventArgs e); ////// The TextChangedEventArgs class represents a type of RoutedEventArgs that /// are relevant to events raised by changing editable text. /// public class TextChangedEventArgs : RoutedEventArgs { ////// constructor /// /// event id /// UndoAction /// ReadOnlyCollection public TextChangedEventArgs(RoutedEvent id, UndoAction action, ICollectionchanges) : base() { if (id == null) { throw new ArgumentNullException("id"); } if (action < UndoAction.None || action > UndoAction.Create) { throw new InvalidEnumArgumentException("action", (int)action, typeof(UndoAction)); } RoutedEvent=id; _undoAction = action; _changes = changes; } /// /// constructor /// /// event id /// UndoAction public TextChangedEventArgs(RoutedEvent id, UndoAction action) : this(id, action, new ReadOnlyCollection(new List ())) { } /// /// How the undo stack caused or is affected by this text change /// ///UndoAction enum public UndoAction UndoAction { get { return _undoAction; } } ////// A readonly list of TextChanges, sorted by offset in order from the beginning to the end of /// the document, describing the dirty areas of the document and in what way(s) those /// areas differ from the pre-change document. For example, if content at offset 0 was: /// /// The quick brown fox jumps over the lazy dog. /// /// and changed to: /// /// The brown fox jumps over a dog. /// /// Changes would contain two TextChanges with the following information: /// /// Change 1 /// -------- /// Offset: 5 /// RemovedCount: 6 /// AddedCount: 0 /// PropertyCount: 0 /// /// Change 2 /// -------- /// Offset: 26 /// RemovedCount: 8 /// AddedCount: 1 /// PropertyCount: 0 /// /// If no changes were made, the collection will be empty. /// public ICollectionChanges { get { return _changes; } } /// /// The mechanism used to call the type-specific handler on the /// target. /// /// /// The generic handler to call in a type-specific way. /// /// /// The target to call the handler on. /// protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) { TextChangedEventHandler handler; handler = (TextChangedEventHandler)genericHandler; handler(genericTarget, this); } private UndoAction _undoAction; private readonly ICollection_changes; } #endregion TextChangedEvent } // 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: TextChanged event argument. // // History: // 09/27/2004 : psarrett - Created // //--------------------------------------------------------------------------- using System.ComponentModel; using System.Windows.Documents; using System.Collections.Generic; using System.Collections.ObjectModel; namespace System.Windows.Controls { #region TextChangedEvent ////// How the undo stack caused or is affected by a text change. /// public enum UndoAction { ////// This change will not affect the undo stack at all /// None = 0, ////// This change will merge into the previous undo unit /// Merge = 1, ////// This change is the result of a call to Undo() /// Undo = 2, ////// This change is the result of a call to Redo() /// Redo = 3, ////// This change will clear the undo stack /// Clear = 4, ////// This change will create a new undo unit /// Create = 5 } ////// The delegate to use for handlers that receive TextChangedEventArgs /// public delegate void TextChangedEventHandler(object sender, TextChangedEventArgs e); ////// The TextChangedEventArgs class represents a type of RoutedEventArgs that /// are relevant to events raised by changing editable text. /// public class TextChangedEventArgs : RoutedEventArgs { ////// constructor /// /// event id /// UndoAction /// ReadOnlyCollection public TextChangedEventArgs(RoutedEvent id, UndoAction action, ICollectionchanges) : base() { if (id == null) { throw new ArgumentNullException("id"); } if (action < UndoAction.None || action > UndoAction.Create) { throw new InvalidEnumArgumentException("action", (int)action, typeof(UndoAction)); } RoutedEvent=id; _undoAction = action; _changes = changes; } /// /// constructor /// /// event id /// UndoAction public TextChangedEventArgs(RoutedEvent id, UndoAction action) : this(id, action, new ReadOnlyCollection(new List ())) { } /// /// How the undo stack caused or is affected by this text change /// ///UndoAction enum public UndoAction UndoAction { get { return _undoAction; } } ////// A readonly list of TextChanges, sorted by offset in order from the beginning to the end of /// the document, describing the dirty areas of the document and in what way(s) those /// areas differ from the pre-change document. For example, if content at offset 0 was: /// /// The quick brown fox jumps over the lazy dog. /// /// and changed to: /// /// The brown fox jumps over a dog. /// /// Changes would contain two TextChanges with the following information: /// /// Change 1 /// -------- /// Offset: 5 /// RemovedCount: 6 /// AddedCount: 0 /// PropertyCount: 0 /// /// Change 2 /// -------- /// Offset: 26 /// RemovedCount: 8 /// AddedCount: 1 /// PropertyCount: 0 /// /// If no changes were made, the collection will be empty. /// public ICollectionChanges { get { return _changes; } } /// /// The mechanism used to call the type-specific handler on the /// target. /// /// /// The generic handler to call in a type-specific way. /// /// /// The target to call the handler on. /// protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) { TextChangedEventHandler handler; handler = (TextChangedEventHandler)genericHandler; handler(genericTarget, this); } private UndoAction _undoAction; private readonly ICollection_changes; } #endregion TextChangedEvent } // 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
- DayRenderEvent.cs
- TypeDependencyAttribute.cs
- Version.cs
- AspNetRouteServiceHttpHandler.cs
- InfocardClientCredentials.cs
- ASCIIEncoding.cs
- BCLDebug.cs
- Range.cs
- PersistenceTypeAttribute.cs
- BaseContextMenu.cs
- AttributeCollection.cs
- DescendantQuery.cs
- SystemColors.cs
- ActiveXContainer.cs
- EventWaitHandle.cs
- InternalConfigRoot.cs
- SimpleBitVector32.cs
- XmlDocumentFragment.cs
- BaseTemplateBuildProvider.cs
- CatalogPartCollection.cs
- SimpleRecyclingCache.cs
- ExpressionBindingCollection.cs
- UncommonField.cs
- pingexception.cs
- ObjectDataSourceDisposingEventArgs.cs
- HashAlgorithm.cs
- HttpServerVarsCollection.cs
- ToolBar.cs
- Attribute.cs
- DrawTreeNodeEventArgs.cs
- GridViewUpdatedEventArgs.cs
- MaskedTextBox.cs
- ExpressionVisitor.cs
- DateBoldEvent.cs
- JavaScriptObjectDeserializer.cs
- MailMessageEventArgs.cs
- ImplicitInputBrush.cs
- SoapReflector.cs
- StringComparer.cs
- SecuritySessionSecurityTokenProvider.cs
- ChannelServices.cs
- XmlObjectSerializerReadContext.cs
- activationcontext.cs
- TextFormatterHost.cs
- _FixedSizeReader.cs
- XmlAttribute.cs
- TextShapeableCharacters.cs
- JoinGraph.cs
- HtmlElementCollection.cs
- dataprotectionpermission.cs
- ExpressionVisitorHelpers.cs
- Column.cs
- CodeFieldReferenceExpression.cs
- ScrollItemPattern.cs
- DataSource.cs
- WindowsSecurityTokenAuthenticator.cs
- SizeChangedEventArgs.cs
- FacetDescriptionElement.cs
- XmlSchemaGroup.cs
- Compiler.cs
- HighContrastHelper.cs
- Exception.cs
- SingleAnimation.cs
- ComponentRenameEvent.cs
- GridViewAutomationPeer.cs
- Selection.cs
- AnimatedTypeHelpers.cs
- StrokeCollectionConverter.cs
- DefaultTraceListener.cs
- ValueType.cs
- StrongTypingException.cs
- ValueChangedEventManager.cs
- AddInStore.cs
- TypeFieldSchema.cs
- PackUriHelper.cs
- OutOfProcStateClientManager.cs
- CompilerGeneratedAttribute.cs
- X509ChainElement.cs
- ListSourceHelper.cs
- NetNamedPipeBindingElement.cs
- RequestNavigateEventArgs.cs
- PrimitiveCodeDomSerializer.cs
- BamlMapTable.cs
- HandlerBase.cs
- RtfToken.cs
- StorageMappingItemLoader.cs
- BuildManager.cs
- ImageCodecInfoPrivate.cs
- _UriTypeConverter.cs
- ContainerAction.cs
- FontClient.cs
- Stylus.cs
- EncoderBestFitFallback.cs
- DetailsViewInsertEventArgs.cs
- SystemTcpConnection.cs
- NumberFormatInfo.cs
- DoubleAnimationUsingPath.cs
- IListConverters.cs
- WebPartVerbsEventArgs.cs
- ScriptingSectionGroup.cs