Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / DataObjectCopyingEventArgs.cs / 1 / DataObjectCopyingEventArgs.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: DataObject.Copying event arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Arguments for the DataObject.Copying event. /// /// The DataObject.Copying event is raised when an editor /// has converted a content of selection into all appropriate /// clipboard data formats, collected them all in DataObject /// and is ready to put the objet onto the Clipboard. /// An application can inspect DataObject, change, remove or /// add some data formats into it and decide whether to proceed /// with the copying or cancel it. /// public sealed class DataObjectCopyingEventArgs : DataObjectEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates an arguments for a DataObject.Copying event. /// This object created by editors executing a Copy and Drag. /// /// /// DataObject filled in with all appropriate data formats /// and ready for putting into the Clipboard /// or to used in dragging gesture. /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event is fired on drag start. /// public DataObjectCopyingEventArgs(IDataObject dataObject, bool isDragDrop) // : base(System.Windows.DataObject.CopyingEvent, isDragDrop) { if (dataObject == null) { throw new ArgumentNullException("dataObject"); } _dataObject = dataObject; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// DataObject filled in with all appropriate data formats /// and ready for putting into the Clipboard. /// public IDataObject DataObject { get { return _dataObject; } } #endregion Public Properties #region Protected Methods //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ ////// 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) { DataObjectCopyingEventHandler handler = (DataObjectCopyingEventHandler)genericHandler; handler(genericTarget, this); } #endregion Protected Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private IDataObject _dataObject; #endregion Private Fields } ////// The delegate to use for handlers that receive the DataObject.Copying event. /// ////// A handler for DataObject.Copying event. /// The handler is expected to inspect the content of a data object /// passed via event arguments (DataObjectCopyingEventArgs.DataObject) /// and add additional (custom) data format to it. /// It's also possible for the handler to change /// the contents of other data formats already put on DataObject /// or even remove some of those formats. /// All this happens before DataObject is put on /// the Clipboard (in copy operation) or before DragDrop /// process starts. /// The handler can cancel the whole copying event /// by calling DataObjectCopyingEventArgs.CancelCommand method. /// For the case of Copy a command will be cancelled, /// for the case of DragDrop a dragdrop process will be /// terminated in the beginning. /// public delegate void DataObjectCopyingEventHandler(object sender, DataObjectCopyingEventArgs e); } // 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: DataObject.Copying event arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Arguments for the DataObject.Copying event. /// /// The DataObject.Copying event is raised when an editor /// has converted a content of selection into all appropriate /// clipboard data formats, collected them all in DataObject /// and is ready to put the objet onto the Clipboard. /// An application can inspect DataObject, change, remove or /// add some data formats into it and decide whether to proceed /// with the copying or cancel it. /// public sealed class DataObjectCopyingEventArgs : DataObjectEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates an arguments for a DataObject.Copying event. /// This object created by editors executing a Copy and Drag. /// /// /// DataObject filled in with all appropriate data formats /// and ready for putting into the Clipboard /// or to used in dragging gesture. /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event is fired on drag start. /// public DataObjectCopyingEventArgs(IDataObject dataObject, bool isDragDrop) // : base(System.Windows.DataObject.CopyingEvent, isDragDrop) { if (dataObject == null) { throw new ArgumentNullException("dataObject"); } _dataObject = dataObject; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// DataObject filled in with all appropriate data formats /// and ready for putting into the Clipboard. /// public IDataObject DataObject { get { return _dataObject; } } #endregion Public Properties #region Protected Methods //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ ////// 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) { DataObjectCopyingEventHandler handler = (DataObjectCopyingEventHandler)genericHandler; handler(genericTarget, this); } #endregion Protected Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private IDataObject _dataObject; #endregion Private Fields } ////// The delegate to use for handlers that receive the DataObject.Copying event. /// ////// A handler for DataObject.Copying event. /// The handler is expected to inspect the content of a data object /// passed via event arguments (DataObjectCopyingEventArgs.DataObject) /// and add additional (custom) data format to it. /// It's also possible for the handler to change /// the contents of other data formats already put on DataObject /// or even remove some of those formats. /// All this happens before DataObject is put on /// the Clipboard (in copy operation) or before DragDrop /// process starts. /// The handler can cancel the whole copying event /// by calling DataObjectCopyingEventArgs.CancelCommand method. /// For the case of Copy a command will be cancelled, /// for the case of DragDrop a dragdrop process will be /// terminated in the beginning. /// public delegate void DataObjectCopyingEventHandler(object sender, DataObjectCopyingEventArgs e); } // 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
- ConsoleCancelEventArgs.cs
- FrameworkContentElement.cs
- AvTraceFormat.cs
- AppSettingsSection.cs
- SerialStream.cs
- WebFormsRootDesigner.cs
- HtmlAnchor.cs
- ParallelTimeline.cs
- XmlILCommand.cs
- InternalControlCollection.cs
- EventBuilder.cs
- MarkupCompilePass1.cs
- SoapIgnoreAttribute.cs
- MetadataCollection.cs
- CodeDomSerializerException.cs
- HtmlInputFile.cs
- IPEndPoint.cs
- ContextMenu.cs
- AttributeEmitter.cs
- ClientSponsor.cs
- Publisher.cs
- UnaryExpression.cs
- DataPager.cs
- PageThemeParser.cs
- AssociatedControlConverter.cs
- SerializerProvider.cs
- Delay.cs
- TextParagraphCache.cs
- PageAsyncTask.cs
- ImageAnimator.cs
- PropertyNames.cs
- DataPagerCommandEventArgs.cs
- RangeEnumerable.cs
- InlineCollection.cs
- CodeNamespace.cs
- webclient.cs
- User.cs
- IsolatedStorage.cs
- StringArrayConverter.cs
- WebPartEventArgs.cs
- CapabilitiesUse.cs
- FullTextBreakpoint.cs
- ServicePointManagerElement.cs
- ShaderEffect.cs
- OdbcConnectionFactory.cs
- XmlCDATASection.cs
- DataGridColumnCollectionEditor.cs
- CodeAttributeDeclarationCollection.cs
- StateChangeEvent.cs
- AppDomainGrammarProxy.cs
- AmbientProperties.cs
- DataTableReaderListener.cs
- LayoutEngine.cs
- ObjectConverter.cs
- HostingEnvironmentSection.cs
- Tokenizer.cs
- dbenumerator.cs
- RemoteWebConfigurationHostServer.cs
- DataSourceView.cs
- IProducerConsumerCollection.cs
- Throw.cs
- EnglishPluralizationService.cs
- EditorPart.cs
- CheckBoxList.cs
- NativeMethods.cs
- WebRequestModuleElement.cs
- SingleBodyParameterMessageFormatter.cs
- IsolatedStorageFile.cs
- Switch.cs
- MimeFormImporter.cs
- util.cs
- DiscreteKeyFrames.cs
- XmlBufferedByteStreamReader.cs
- TextSerializer.cs
- UInt32.cs
- SetIndexBinder.cs
- NamedElement.cs
- ProcessModelSection.cs
- TemplateKeyConverter.cs
- ScriptingSectionGroup.cs
- DBSchemaRow.cs
- TypeSemantics.cs
- DiagnosticsConfiguration.cs
- PropertyEntry.cs
- BaseResourcesBuildProvider.cs
- ListManagerBindingsCollection.cs
- Environment.cs
- DoubleUtil.cs
- CollectionType.cs
- ItemCollection.cs
- PeerPresenceInfo.cs
- ExpressionsCollectionEditor.cs
- TransformValueSerializer.cs
- AdornerLayer.cs
- MatrixCamera.cs
- DataBinding.cs
- PlatformCulture.cs
- CollectionBase.cs
- MatchingStyle.cs
- Vector3DCollectionConverter.cs