Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / QueryContinueDragEventArgs.cs / 1 / QueryContinueDragEventArgs.cs
//---------------------------------------------------------------------------- // // File: QueryContinueDragEventArgs.cs // // Copyright (C) Microsoft Corporation. All rights reserved. // // Description: QueryContinueDragEventArgs for drag-and-drop operation. // // History: // 08/19/2004 : sangilj Created // //--------------------------------------------------------------------------- using System; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows { ////// The QueryContinueDragEventArgs class represents a type of RoutedEventArgs that /// are relevant to QueryContinueDrag event. /// public sealed class QueryContinueDragEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Initializes a new instance of the QueryContinueDragEventArgs class. /// /// /// Escape key was pressed. /// /// /// Input states. /// internal QueryContinueDragEventArgs(bool escapePressed, DragDropKeyStates dragDropKeyStates) { if (!DragDrop.IsValidDragDropKeyStates(dragDropKeyStates)) { Debug.Assert(false, "Invalid dragDropKeyStates"); } this._escapePressed = escapePressed; this._dragDropKeyStates = dragDropKeyStates; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Escape key was pressed. /// public bool EscapePressed { get { return _escapePressed; } } ////// The DragDropKeyStates that indicates the current states for /// physical keyboard keys and mouse buttons. /// public DragDropKeyStates KeyStates { get {return _dragDropKeyStates;} } ////// The action of drag operation /// public DragAction Action { get { return _action; } set { if (!DragDrop.IsValidDragAction(value)) { throw new ArgumentException(SR.Get(SRID.DragDrop_DragActionInvalid, "value")); } _action = value; } } #endregion Public Methods #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) { QueryContinueDragEventHandler handler = (QueryContinueDragEventHandler)genericHandler; handler(genericTarget, this); } #endregion Protected Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _escapePressed; private DragDropKeyStates _dragDropKeyStates; private DragAction _action; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // File: QueryContinueDragEventArgs.cs // // Copyright (C) Microsoft Corporation. All rights reserved. // // Description: QueryContinueDragEventArgs for drag-and-drop operation. // // History: // 08/19/2004 : sangilj Created // //--------------------------------------------------------------------------- using System; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows { ////// The QueryContinueDragEventArgs class represents a type of RoutedEventArgs that /// are relevant to QueryContinueDrag event. /// public sealed class QueryContinueDragEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Initializes a new instance of the QueryContinueDragEventArgs class. /// /// /// Escape key was pressed. /// /// /// Input states. /// internal QueryContinueDragEventArgs(bool escapePressed, DragDropKeyStates dragDropKeyStates) { if (!DragDrop.IsValidDragDropKeyStates(dragDropKeyStates)) { Debug.Assert(false, "Invalid dragDropKeyStates"); } this._escapePressed = escapePressed; this._dragDropKeyStates = dragDropKeyStates; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Escape key was pressed. /// public bool EscapePressed { get { return _escapePressed; } } ////// The DragDropKeyStates that indicates the current states for /// physical keyboard keys and mouse buttons. /// public DragDropKeyStates KeyStates { get {return _dragDropKeyStates;} } ////// The action of drag operation /// public DragAction Action { get { return _action; } set { if (!DragDrop.IsValidDragAction(value)) { throw new ArgumentException(SR.Get(SRID.DragDrop_DragActionInvalid, "value")); } _action = value; } } #endregion Public Methods #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) { QueryContinueDragEventHandler handler = (QueryContinueDragEventHandler)genericHandler; handler(genericTarget, this); } #endregion Protected Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _escapePressed; private DragDropKeyStates _dragDropKeyStates; private DragAction _action; #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
- TextEditorCharacters.cs
- DefaultCommandConverter.cs
- IdleTimeoutMonitor.cs
- InitializingNewItemEventArgs.cs
- BooleanSwitch.cs
- LocatorGroup.cs
- StreamGeometry.cs
- SemanticResolver.cs
- NumberSubstitution.cs
- StyleModeStack.cs
- RegionInfo.cs
- BufferBuilder.cs
- BrowserCapabilitiesFactory35.cs
- QueueNameHelper.cs
- ValidationSummary.cs
- UIElement3DAutomationPeer.cs
- SafeProcessHandle.cs
- TabControlAutomationPeer.cs
- WSAddressing10ProblemHeaderQNameFault.cs
- EdmRelationshipNavigationPropertyAttribute.cs
- InstanceDataCollection.cs
- UTF32Encoding.cs
- Claim.cs
- AutomationProperties.cs
- FixedFlowMap.cs
- PieceDirectory.cs
- KoreanCalendar.cs
- EmptyElement.cs
- BuilderPropertyEntry.cs
- CodeValidator.cs
- EnumerableRowCollection.cs
- ProcessModelInfo.cs
- ScrollBarAutomationPeer.cs
- RegexCharClass.cs
- SHA384.cs
- DependencyPropertyValueSerializer.cs
- EntityContainerEmitter.cs
- SqlFunctionAttribute.cs
- GenericIdentity.cs
- CachedFontFamily.cs
- DbProviderConfigurationHandler.cs
- UInt32Storage.cs
- ErrorFormatter.cs
- HwndSubclass.cs
- XmlDataContract.cs
- NameValuePair.cs
- XsltSettings.cs
- TableRowCollection.cs
- IsolatedStorageSecurityState.cs
- ContentAlignmentEditor.cs
- ProgressBar.cs
- returneventsaver.cs
- WmlListAdapter.cs
- Regex.cs
- CommonDialog.cs
- DataGridViewComboBoxColumn.cs
- UnsafeNativeMethods.cs
- QilFactory.cs
- FormViewRow.cs
- WindowsNonControl.cs
- IconHelper.cs
- EventRouteFactory.cs
- EntityTypeEmitter.cs
- SystemFonts.cs
- KnownTypesHelper.cs
- FileCodeGroup.cs
- ScrollItemPatternIdentifiers.cs
- DSASignatureFormatter.cs
- EmptyQuery.cs
- RequestCachingSection.cs
- OleDbMetaDataFactory.cs
- StructuralComparisons.cs
- XmlSchemaDatatype.cs
- DispatchWrapper.cs
- ScriptingJsonSerializationSection.cs
- DataServiceResponse.cs
- TypeUsageBuilder.cs
- MenuItemBinding.cs
- DataGridViewDataErrorEventArgs.cs
- TemplatePagerField.cs
- WorkflowDispatchContext.cs
- _Events.cs
- VisemeEventArgs.cs
- ConfigurationPropertyAttribute.cs
- IncrementalHitTester.cs
- XmlSignatureProperties.cs
- DateTimeUtil.cs
- TextStore.cs
- CodeSnippetExpression.cs
- ControlCollection.cs
- StringToken.cs
- QuaternionAnimationBase.cs
- HttpResponseInternalWrapper.cs
- BindableTemplateBuilder.cs
- CommandConverter.cs
- WebRequest.cs
- Rectangle.cs
- AspCompat.cs
- MappingSource.cs
- MimeTypeAttribute.cs