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
- ActiveXHelper.cs
- BindingExpressionBase.cs
- XmlCharCheckingWriter.cs
- PresentationSource.cs
- RequestCachePolicyConverter.cs
- SiteMap.cs
- lengthconverter.cs
- CqlBlock.cs
- SettingsAttributes.cs
- SharedUtils.cs
- DataGridViewBindingCompleteEventArgs.cs
- embossbitmapeffect.cs
- XmlSchemaCollection.cs
- SQLBoolean.cs
- CompilerTypeWithParams.cs
- GeneratedContractType.cs
- GridViewCommandEventArgs.cs
- IBuiltInEvidence.cs
- ShaderEffect.cs
- ConfigurationLocation.cs
- XmlEntity.cs
- ObjectDataSourceDisposingEventArgs.cs
- PrinterUnitConvert.cs
- XmlRawWriter.cs
- Volatile.cs
- DataColumnSelectionConverter.cs
- SettingsContext.cs
- SettingsBindableAttribute.cs
- DefaultProxySection.cs
- ParameterElement.cs
- ControlBindingsCollection.cs
- IRCollection.cs
- DynamicRenderer.cs
- XPathBinder.cs
- SizeAnimation.cs
- StrokeNodeEnumerator.cs
- SvcFileManager.cs
- _SSPIWrapper.cs
- SelectedGridItemChangedEvent.cs
- ResXBuildProvider.cs
- TextViewSelectionProcessor.cs
- ConfigurationManagerInternalFactory.cs
- ObjectDataSourceEventArgs.cs
- XmlDocumentType.cs
- NamespaceExpr.cs
- StringUtil.cs
- StackSpiller.Generated.cs
- DynamicQueryStringParameter.cs
- WindowsToolbarItemAsMenuItem.cs
- UserNamePasswordValidationMode.cs
- StandardToolWindows.cs
- InfoCardXmlSerializer.cs
- WorkflowRuntimeService.cs
- ObjectDataSourceDisposingEventArgs.cs
- GcHandle.cs
- WorkflowClientDeliverMessageWrapper.cs
- LinkedResourceCollection.cs
- DataGridViewRowPrePaintEventArgs.cs
- MULTI_QI.cs
- AddInServer.cs
- SqlExpressionNullability.cs
- TableCell.cs
- SqlClientPermission.cs
- DataGridDesigner.cs
- SessionIDManager.cs
- SchemaMapping.cs
- MenuAdapter.cs
- DependencyObjectValidator.cs
- DataGridViewMethods.cs
- DelayLoadType.cs
- CharacterString.cs
- IdentityValidationException.cs
- Wizard.cs
- InputGestureCollection.cs
- TracePayload.cs
- TextElementCollectionHelper.cs
- SchemaTypeEmitter.cs
- OutputCacheProfileCollection.cs
- AddressUtility.cs
- OdbcConnectionStringbuilder.cs
- CheckBoxList.cs
- CompiledXpathExpr.cs
- Rijndael.cs
- SoapMessage.cs
- SrgsText.cs
- Attachment.cs
- SQLResource.cs
- ErrorFormatterPage.cs
- CreationContext.cs
- ObjectDataSourceEventArgs.cs
- DataContractJsonSerializer.cs
- FieldMetadata.cs
- HttpHeaderCollection.cs
- remotingproxy.cs
- SecurityKeyIdentifier.cs
- CompatibleIComparer.cs
- ClusterSafeNativeMethods.cs
- XmlElementCollection.cs
- XmlReflectionImporter.cs
- StatusBarItemAutomationPeer.cs