Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Design / MessageFilters / WorkflowDesignerMessageFilter.cs / 1305376 / WorkflowDesignerMessageFilter.cs
namespace System.Workflow.ComponentModel.Design { using System; using System.Drawing; using System.Diagnostics; using System.Windows.Forms; using System.ComponentModel.Design; #region Class WorkflowDesignerMessageFilter //All Coordinates passed in physical coordinate system //Some of the functions will have coordinates in screen coordinates ie ShowContextMenu public abstract class WorkflowDesignerMessageFilter : IDisposable, IWorkflowDesignerMessageSink { #region Members and Contructor/Destruction private WorkflowView parentView; protected WorkflowDesignerMessageFilter() { } ~WorkflowDesignerMessageFilter() { Dispose(false); } public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion #region Protected Properties and Methods protected virtual void Initialize(WorkflowView parentView) { this.parentView = parentView; } protected virtual void Dispose(bool disposing) { } protected virtual bool OnMouseDown(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseMove(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseUp(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseDoubleClick(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseEnter(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseHover(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseLeave() { return false; } protected virtual bool OnMouseWheel(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseCaptureChanged() { return false; } protected virtual bool OnDragEnter(DragEventArgs eventArgs) { return false; } protected virtual bool OnDragOver(DragEventArgs eventArgs) { return false; } protected virtual bool OnDragLeave() { return false; } protected virtual bool OnDragDrop(DragEventArgs eventArgs) { return false; } protected virtual bool OnGiveFeedback(GiveFeedbackEventArgs eventArgs) { return false; } protected virtual bool OnQueryContinueDrag(QueryContinueDragEventArgs eventArgs) { return false; } protected virtual bool OnKeyDown(KeyEventArgs eventArgs) { return false; } protected virtual bool OnKeyUp(KeyEventArgs eventArgs) { return false; } protected virtual bool OnScroll(ScrollBar sender, int value) { return false; } protected virtual bool OnShowContextMenu(Point screenMenuPoint) { return false; } protected virtual bool OnPaint(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme) { return false; } protected virtual bool OnPaintWorkflowAdornments(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme) { return false; } protected virtual bool ProcessMessage(Message message) { return false; } protected virtual void OnLayout(LayoutEventArgs eventArgs) { } protected virtual void OnThemeChange() { } protected WorkflowView ParentView { get { return this.parentView; } } protected HitTestInfo MessageHitTestContext { get { HitTestInfo hitInfo = ParentView.MessageHitTestContext; if (hitInfo == null) hitInfo = HitTestInfo.Nowhere; return hitInfo; } } #endregion #region Private Methods internal object GetService(Type serviceType) { object service = null; if (this.parentView != null) service = ((IServiceProvider)this.parentView).GetService(serviceType); return service; } internal void SetParentView(WorkflowView parentView) { Initialize(parentView); } #endregion #region IWorkflowDesignerMessageSink Members bool IWorkflowDesignerMessageSink.OnMouseDown(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseDown(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseMove(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseMove(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseUp(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseUp(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseDoubleClick(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseDoubleClick(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseEnter(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseEnter(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseHover(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseHover(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseLeave() { bool handled = false; try { handled = OnMouseLeave(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseWheel(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseWheel(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseCaptureChanged() { bool handled = false; try { handled = OnMouseCaptureChanged(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseDragBegin(Point initialPoint, MouseEventArgs eventArgs) { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnMouseDragMove(MouseEventArgs eventArgs) { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnMouseDragEnd() { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnDragEnter(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragEnter(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragOver(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragOver(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragLeave() { bool handled = false; try { handled = OnDragLeave(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragDrop(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragDrop(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnGiveFeedback(GiveFeedbackEventArgs eventArgs) { bool handled = false; try { handled = OnGiveFeedback(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnQueryContinueDrag(QueryContinueDragEventArgs eventArgs) { bool handled = false; try { handled = OnQueryContinueDrag(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnKeyDown(KeyEventArgs eventArgs) { bool handled = false; try { handled = OnKeyDown(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnKeyUp(KeyEventArgs eventArgs) { bool handled = false; try { handled = OnKeyUp(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnScroll(ScrollBar sender, int value) { bool handled = false; try { handled = OnScroll(sender, value); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnShowContextMenu(Point screenMenuPoint) { bool handled = false; try { handled = OnShowContextMenu(screenMenuPoint); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnPaint(PaintEventArgs eventArgs, Rectangle viewPort) { bool handled = false; try { handled = OnPaint(eventArgs, viewPort, WorkflowTheme.CurrentTheme.AmbientTheme); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnPaintWorkflowAdornments(PaintEventArgs eventArgs, Rectangle viewPort) { bool handled = false; try { handled = OnPaintWorkflowAdornments(eventArgs, viewPort, WorkflowTheme.CurrentTheme.AmbientTheme); } catch { } return handled; } bool IWorkflowDesignerMessageSink.ProcessMessage(Message message) { bool handled = false; try { handled = ProcessMessage(message); } catch { } return handled; } void IWorkflowDesignerMessageSink.OnLayout(LayoutEventArgs layoutEventArgs) { try { OnLayout(layoutEventArgs); } catch { } } void IWorkflowDesignerMessageSink.OnLayoutPosition(Graphics graphics) { //This message is not used in MessageFilters } void IWorkflowDesignerMessageSink.OnLayoutSize(Graphics graphics) { //This message is not used in MessageFilters } void IWorkflowDesignerMessageSink.OnThemeChange() { try { OnThemeChange(); } catch { } } void IWorkflowDesignerMessageSink.OnBeginResizing(DesignerEdges sizingEdge) { } void IWorkflowDesignerMessageSink.OnResizing(DesignerEdges sizingEdge, Rectangle bounds) { } void IWorkflowDesignerMessageSink.OnEndResizing() { } #endregion } #endregion } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Workflow.ComponentModel.Design { using System; using System.Drawing; using System.Diagnostics; using System.Windows.Forms; using System.ComponentModel.Design; #region Class WorkflowDesignerMessageFilter //All Coordinates passed in physical coordinate system //Some of the functions will have coordinates in screen coordinates ie ShowContextMenu public abstract class WorkflowDesignerMessageFilter : IDisposable, IWorkflowDesignerMessageSink { #region Members and Contructor/Destruction private WorkflowView parentView; protected WorkflowDesignerMessageFilter() { } ~WorkflowDesignerMessageFilter() { Dispose(false); } public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion #region Protected Properties and Methods protected virtual void Initialize(WorkflowView parentView) { this.parentView = parentView; } protected virtual void Dispose(bool disposing) { } protected virtual bool OnMouseDown(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseMove(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseUp(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseDoubleClick(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseEnter(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseHover(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseLeave() { return false; } protected virtual bool OnMouseWheel(MouseEventArgs eventArgs) { return false; } protected virtual bool OnMouseCaptureChanged() { return false; } protected virtual bool OnDragEnter(DragEventArgs eventArgs) { return false; } protected virtual bool OnDragOver(DragEventArgs eventArgs) { return false; } protected virtual bool OnDragLeave() { return false; } protected virtual bool OnDragDrop(DragEventArgs eventArgs) { return false; } protected virtual bool OnGiveFeedback(GiveFeedbackEventArgs eventArgs) { return false; } protected virtual bool OnQueryContinueDrag(QueryContinueDragEventArgs eventArgs) { return false; } protected virtual bool OnKeyDown(KeyEventArgs eventArgs) { return false; } protected virtual bool OnKeyUp(KeyEventArgs eventArgs) { return false; } protected virtual bool OnScroll(ScrollBar sender, int value) { return false; } protected virtual bool OnShowContextMenu(Point screenMenuPoint) { return false; } protected virtual bool OnPaint(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme) { return false; } protected virtual bool OnPaintWorkflowAdornments(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme) { return false; } protected virtual bool ProcessMessage(Message message) { return false; } protected virtual void OnLayout(LayoutEventArgs eventArgs) { } protected virtual void OnThemeChange() { } protected WorkflowView ParentView { get { return this.parentView; } } protected HitTestInfo MessageHitTestContext { get { HitTestInfo hitInfo = ParentView.MessageHitTestContext; if (hitInfo == null) hitInfo = HitTestInfo.Nowhere; return hitInfo; } } #endregion #region Private Methods internal object GetService(Type serviceType) { object service = null; if (this.parentView != null) service = ((IServiceProvider)this.parentView).GetService(serviceType); return service; } internal void SetParentView(WorkflowView parentView) { Initialize(parentView); } #endregion #region IWorkflowDesignerMessageSink Members bool IWorkflowDesignerMessageSink.OnMouseDown(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseDown(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseMove(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseMove(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseUp(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseUp(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseDoubleClick(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseDoubleClick(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseEnter(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseEnter(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseHover(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseHover(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseLeave() { bool handled = false; try { handled = OnMouseLeave(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseWheel(MouseEventArgs eventArgs) { bool handled = false; try { handled = OnMouseWheel(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseCaptureChanged() { bool handled = false; try { handled = OnMouseCaptureChanged(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnMouseDragBegin(Point initialPoint, MouseEventArgs eventArgs) { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnMouseDragMove(MouseEventArgs eventArgs) { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnMouseDragEnd() { //This message is not used in MessageFilters return false; } bool IWorkflowDesignerMessageSink.OnDragEnter(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragEnter(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragOver(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragOver(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragLeave() { bool handled = false; try { handled = OnDragLeave(); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnDragDrop(DragEventArgs eventArgs) { bool handled = false; try { handled = OnDragDrop(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnGiveFeedback(GiveFeedbackEventArgs eventArgs) { bool handled = false; try { handled = OnGiveFeedback(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnQueryContinueDrag(QueryContinueDragEventArgs eventArgs) { bool handled = false; try { handled = OnQueryContinueDrag(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnKeyDown(KeyEventArgs eventArgs) { bool handled = false; try { handled = OnKeyDown(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnKeyUp(KeyEventArgs eventArgs) { bool handled = false; try { handled = OnKeyUp(eventArgs); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnScroll(ScrollBar sender, int value) { bool handled = false; try { handled = OnScroll(sender, value); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnShowContextMenu(Point screenMenuPoint) { bool handled = false; try { handled = OnShowContextMenu(screenMenuPoint); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnPaint(PaintEventArgs eventArgs, Rectangle viewPort) { bool handled = false; try { handled = OnPaint(eventArgs, viewPort, WorkflowTheme.CurrentTheme.AmbientTheme); } catch { } return handled; } bool IWorkflowDesignerMessageSink.OnPaintWorkflowAdornments(PaintEventArgs eventArgs, Rectangle viewPort) { bool handled = false; try { handled = OnPaintWorkflowAdornments(eventArgs, viewPort, WorkflowTheme.CurrentTheme.AmbientTheme); } catch { } return handled; } bool IWorkflowDesignerMessageSink.ProcessMessage(Message message) { bool handled = false; try { handled = ProcessMessage(message); } catch { } return handled; } void IWorkflowDesignerMessageSink.OnLayout(LayoutEventArgs layoutEventArgs) { try { OnLayout(layoutEventArgs); } catch { } } void IWorkflowDesignerMessageSink.OnLayoutPosition(Graphics graphics) { //This message is not used in MessageFilters } void IWorkflowDesignerMessageSink.OnLayoutSize(Graphics graphics) { //This message is not used in MessageFilters } void IWorkflowDesignerMessageSink.OnThemeChange() { try { OnThemeChange(); } catch { } } void IWorkflowDesignerMessageSink.OnBeginResizing(DesignerEdges sizingEdge) { } void IWorkflowDesignerMessageSink.OnResizing(DesignerEdges sizingEdge, Rectangle bounds) { } void IWorkflowDesignerMessageSink.OnEndResizing() { } #endregion } #endregion } // 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
- ModelItemDictionary.cs
- DataGridViewRowHeightInfoNeededEventArgs.cs
- HttpProxyTransportBindingElement.cs
- XmlSchemaSimpleTypeRestriction.cs
- Model3D.cs
- ResizeBehavior.cs
- BindingGroup.cs
- ApplicationTrust.cs
- ContextToken.cs
- PageThemeParser.cs
- ButtonChrome.cs
- CompiledRegexRunnerFactory.cs
- SchemaEntity.cs
- CompleteWizardStep.cs
- MsmqHostedTransportConfiguration.cs
- StateItem.cs
- RegularExpressionValidator.cs
- ReaderContextStackData.cs
- Parameter.cs
- ProbeMatchesMessage11.cs
- BridgeDataReader.cs
- RawStylusInputCustomDataList.cs
- DocumentXmlWriter.cs
- ReadOnlyTernaryTree.cs
- ExchangeUtilities.cs
- CommonRemoteMemoryBlock.cs
- OptimisticConcurrencyException.cs
- RolePrincipal.cs
- WebBrowserNavigatedEventHandler.cs
- Asn1IntegerConverter.cs
- OperatingSystem.cs
- CaseStatementProjectedSlot.cs
- DataBinding.cs
- LinkTarget.cs
- LineProperties.cs
- Italic.cs
- EnumConverter.cs
- ValidationRule.cs
- SystemTcpConnection.cs
- ButtonDesigner.cs
- NamedPipeConnectionPoolSettings.cs
- Compilation.cs
- NumberAction.cs
- StaticFileHandler.cs
- ClientApiGenerator.cs
- Win32PrintDialog.cs
- PageRequestManager.cs
- DataGridColumnHeaderAutomationPeer.cs
- ComponentChangingEvent.cs
- BamlResourceContent.cs
- ListControl.cs
- SafeThreadHandle.cs
- GridViewCancelEditEventArgs.cs
- ImpersonateTokenRef.cs
- mactripleDES.cs
- XmlSchemaValidator.cs
- ConditionCollection.cs
- ServiceActivationException.cs
- HitTestResult.cs
- ConfigXmlAttribute.cs
- FacetDescription.cs
- MsmqHostedTransportConfiguration.cs
- XmlSchemaType.cs
- WinFormsSpinner.cs
- XmlCountingReader.cs
- MarkupExtensionParser.cs
- KeyConstraint.cs
- UnicodeEncoding.cs
- EdmSchemaError.cs
- InternalControlCollection.cs
- CatalogPartChrome.cs
- CacheSection.cs
- InvalidEnumArgumentException.cs
- WindowsListViewScroll.cs
- BoundingRectTracker.cs
- DesignerProperties.cs
- SQLInt16Storage.cs
- ClientCultureInfo.cs
- AbandonedMutexException.cs
- Application.cs
- Size3DConverter.cs
- BasicViewGenerator.cs
- Column.cs
- ObservableCollection.cs
- RangeValueProviderWrapper.cs
- FontStretches.cs
- SmiRequestExecutor.cs
- SettingsPropertyIsReadOnlyException.cs
- InvokeProviderWrapper.cs
- Interop.cs
- NameValueConfigurationCollection.cs
- FixedSOMPageElement.cs
- PartialCachingAttribute.cs
- BasicExpressionVisitor.cs
- PolyQuadraticBezierSegmentFigureLogic.cs
- DesignBindingConverter.cs
- TextContainerChangedEventArgs.cs
- WebReference.cs
- OleCmdHelper.cs
- ColorTransformHelper.cs