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 / DataObjectEventArgs.cs / 1 / DataObjectEventArgs.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Base class for DataObject events arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Base class for DataObject.Copying/Pasting events. /// These events are raised when an editor deals with /// a data object before putting it to clipboard on copy /// and before starting drag operation; /// or before Pasting its content into a selection /// on Paste/Drop operations. /// /// This class is abstract - it provides only common /// members for the events. Particular commands /// must use more specific event arguments - /// DataObjectCopyingEventArgs or DataObjectPastingEventArgs. /// public abstract class DataObjectEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates a DataObjectCopyEvent. /// This object created by editors executing a Copy/Paste /// and Drag/Drop comands. /// /// /// An event id. One of: CopyingEvent or PastingEvent /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// internal DataObjectEventArgs(RoutedEvent routedEvent, bool isDragDrop) : base() { if (routedEvent != DataObject.CopyingEvent && routedEvent != DataObject.PastingEvent && routedEvent != DataObject.SettingDataEvent) { throw new ArgumentOutOfRangeException("routedEvent"); } RoutedEvent = routedEvent; _isDragDrop = isDragDrop; _commandCancelled = false; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// public bool IsDragDrop { get { return _isDragDrop; } } ////// A current cancellation status of the event. /// When set to true, copy command is going to be cancelled. /// public bool CommandCancelled { get { return _commandCancelled; } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Public Methods ////// Sets cancelled status of a command to true. /// After calling this method the command will be /// stopped from calling. /// Applied to Drag (event="Copying", isDragDrop="true") /// this would stop the whole dragdrop process. /// ////// After an event has been cancelled it's impossible /// to re-enable it. /// public void CancelCommand() { _commandCancelled = true; } #endregion Public Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _isDragDrop; private bool _commandCancelled; #endregion Private Fields } } // 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: Base class for DataObject events arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Base class for DataObject.Copying/Pasting events. /// These events are raised when an editor deals with /// a data object before putting it to clipboard on copy /// and before starting drag operation; /// or before Pasting its content into a selection /// on Paste/Drop operations. /// /// This class is abstract - it provides only common /// members for the events. Particular commands /// must use more specific event arguments - /// DataObjectCopyingEventArgs or DataObjectPastingEventArgs. /// public abstract class DataObjectEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates a DataObjectCopyEvent. /// This object created by editors executing a Copy/Paste /// and Drag/Drop comands. /// /// /// An event id. One of: CopyingEvent or PastingEvent /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// internal DataObjectEventArgs(RoutedEvent routedEvent, bool isDragDrop) : base() { if (routedEvent != DataObject.CopyingEvent && routedEvent != DataObject.PastingEvent && routedEvent != DataObject.SettingDataEvent) { throw new ArgumentOutOfRangeException("routedEvent"); } RoutedEvent = routedEvent; _isDragDrop = isDragDrop; _commandCancelled = false; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// public bool IsDragDrop { get { return _isDragDrop; } } ////// A current cancellation status of the event. /// When set to true, copy command is going to be cancelled. /// public bool CommandCancelled { get { return _commandCancelled; } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Public Methods ////// Sets cancelled status of a command to true. /// After calling this method the command will be /// stopped from calling. /// Applied to Drag (event="Copying", isDragDrop="true") /// this would stop the whole dragdrop process. /// ////// After an event has been cancelled it's impossible /// to re-enable it. /// public void CancelCommand() { _commandCancelled = true; } #endregion Public Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _isDragDrop; private bool _commandCancelled; #endregion Private Fields } } // 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
- QuadraticBezierSegment.cs
- Rect.cs
- UserUseLicenseDictionaryLoader.cs
- ExpressionVisitor.cs
- httpstaticobjectscollection.cs
- WebPartActionVerb.cs
- BindingContext.cs
- _LazyAsyncResult.cs
- TextAnchor.cs
- KoreanCalendar.cs
- InputMethodStateTypeInfo.cs
- NamedPipeProcessProtocolHandler.cs
- SafeRightsManagementEnvironmentHandle.cs
- BitHelper.cs
- BigInt.cs
- HttpListenerRequest.cs
- ControlParameter.cs
- Misc.cs
- VirtualPathUtility.cs
- XmlIlTypeHelper.cs
- OutputScopeManager.cs
- AuthorizationSection.cs
- AmbientValueAttribute.cs
- RecognizerBase.cs
- EncryptedKey.cs
- XmlName.cs
- DrawingContextWalker.cs
- TemplateControlParser.cs
- SortedSet.cs
- ClipboardProcessor.cs
- Bidi.cs
- ToolStripDropDownItemDesigner.cs
- MatrixCamera.cs
- SHA1Managed.cs
- CompilerResults.cs
- DispatcherProcessingDisabled.cs
- SignatureHelper.cs
- ConfigurationManagerHelperFactory.cs
- DockPattern.cs
- TextParaClient.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- ComContractElementCollection.cs
- WebPartTransformerAttribute.cs
- WebPartVerbCollection.cs
- LoginView.cs
- DataBoundControlHelper.cs
- EntityDataSourceConfigureObjectContext.cs
- OptionalColumn.cs
- ProfileSettings.cs
- DataGridViewAutoSizeModeEventArgs.cs
- ProcessHostConfigUtils.cs
- BufferAllocator.cs
- ArgumentNullException.cs
- HttpWrapper.cs
- GraphicsPath.cs
- XmlTypeAttribute.cs
- PeerNameResolver.cs
- ConstNode.cs
- ResXBuildProvider.cs
- Error.cs
- TableItemPatternIdentifiers.cs
- Stylus.cs
- ListViewInsertEventArgs.cs
- SecurityContext.cs
- TextTreeTextNode.cs
- ProcessModelSection.cs
- ApplicationInterop.cs
- ErrorTolerantObjectWriter.cs
- DataGridViewColumn.cs
- RequestNavigateEventArgs.cs
- DBCommandBuilder.cs
- ButtonBaseAutomationPeer.cs
- DataGridViewCellStyle.cs
- DataShape.cs
- FaultContractInfo.cs
- CoTaskMemHandle.cs
- HostExecutionContextManager.cs
- ProxyWebPartManager.cs
- Convert.cs
- PropertyEmitterBase.cs
- OutputCacheSettingsSection.cs
- Baml2006ReaderContext.cs
- GetFileNameResult.cs
- ResourceProperty.cs
- ShutDownListener.cs
- WebPartVerb.cs
- SystemResources.cs
- WebBaseEventKeyComparer.cs
- mediaeventargs.cs
- ReceiveDesigner.xaml.cs
- StoragePropertyMapping.cs
- XmlSchemaCollection.cs
- DispatcherOperation.cs
- XmlElementAttributes.cs
- LabelEditEvent.cs
- HostExecutionContextManager.cs
- FloatUtil.cs
- BidOverLoads.cs
- WebConfigurationHostFileChange.cs
- CapiNative.cs