Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- WebException.cs
- HostProtectionPermission.cs
- SqlDependencyListener.cs
- SqlClientFactory.cs
- DecimalAnimationBase.cs
- WindowInteropHelper.cs
- ExtenderControl.cs
- Attributes.cs
- DataControlField.cs
- IncomingWebRequestContext.cs
- _NetworkingPerfCounters.cs
- DataGridState.cs
- InProcStateClientManager.cs
- XmlBindingWorker.cs
- HttpProfileBase.cs
- SplashScreenNativeMethods.cs
- CompilerGlobalScopeAttribute.cs
- CssStyleCollection.cs
- EntityContainerRelationshipSetEnd.cs
- EdmConstants.cs
- Utils.cs
- JsonQueryStringConverter.cs
- UnconditionalPolicy.cs
- SetMemberBinder.cs
- HttpApplication.cs
- TdsParserSessionPool.cs
- AssemblyAssociatedContentFileAttribute.cs
- TypeConverterAttribute.cs
- LinearGradientBrush.cs
- ScrollChrome.cs
- EdmSchemaError.cs
- XmlSchemaFacet.cs
- GatewayDefinition.cs
- WindowsUserNameSecurityTokenAuthenticator.cs
- MenuItemCollectionEditor.cs
- CodeParameterDeclarationExpressionCollection.cs
- ContainerVisual.cs
- UserCancellationException.cs
- SimpleHandlerBuildProvider.cs
- RegexEditorDialog.cs
- TypeToTreeConverter.cs
- GeometryCollection.cs
- GregorianCalendar.cs
- ScrollChrome.cs
- ValidationVisibilityAttribute.cs
- PrimitiveXmlSerializers.cs
- XPathException.cs
- _WinHttpWebProxyDataBuilder.cs
- SqlProfileProvider.cs
- LayoutTable.cs
- HyperLink.cs
- ProviderException.cs
- PrivilegedConfigurationManager.cs
- COM2PictureConverter.cs
- ProcessThread.cs
- NetworkInformationException.cs
- InkCanvasSelection.cs
- ValueHandle.cs
- RemotingConfigParser.cs
- TransactionsSectionGroup.cs
- RoleServiceManager.cs
- TrustManagerPromptUI.cs
- Stack.cs
- CodeEventReferenceExpression.cs
- AsyncPostBackErrorEventArgs.cs
- XPathChildIterator.cs
- InternalsVisibleToAttribute.cs
- RemoteWebConfigurationHostServer.cs
- HebrewNumber.cs
- SymmetricAlgorithm.cs
- MemoryPressure.cs
- DictionaryEntry.cs
- StickyNote.cs
- ItemsPanelTemplate.cs
- PageCatalogPartDesigner.cs
- Figure.cs
- SchemaDeclBase.cs
- Point4D.cs
- WorkflowApplicationAbortedException.cs
- DataSet.cs
- TextTreeUndo.cs
- Parameter.cs
- DataRowChangeEvent.cs
- ServiceSecurityAuditBehavior.cs
- ExceptionUtility.cs
- StringArrayConverter.cs
- Int64KeyFrameCollection.cs
- SQLInt32Storage.cs
- RootProjectionNode.cs
- SelectionWordBreaker.cs
- ComplusEndpointConfigContainer.cs
- DateTimeValueSerializerContext.cs
- _LocalDataStore.cs
- WebServiceClientProxyGenerator.cs
- VBCodeProvider.cs
- DrawingBrush.cs
- Console.cs
- DataSourceCacheDurationConverter.cs
- TrackingDataItemValue.cs
- FontCollection.cs