Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / ScrollChangedEventArgs.cs / 1305600 / ScrollChangedEventArgs.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Windows; namespace System.Windows.Controls { ////// This delegate is used by handlers of the ScrollChangedEvent event. /// /// The current element along the event's route. /// The event arguments containing additional information about the event. ///Nothing. public delegate void ScrollChangedEventHandler(object sender, ScrollChangedEventArgs e); ////// The ScrollChangedEventsArgs describe a change in scrolling state. /// public class ScrollChangedEventArgs: RoutedEventArgs { //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- #region Constructors ////// Constructor /// internal ScrollChangedEventArgs(Vector offset, Vector offsetChange, Size extent, Vector extentChange, Size viewport, Vector viewportChange) { _offset = offset; _offsetChange = offsetChange; _extent = extent; _extentChange = extentChange; _viewport = viewport; _viewportChange = viewportChange; } #endregion Constructors //-------------------------------------------------------------------- // // Public Properties (CLR + Avalon) // //------------------------------------------------------------------- #region Public Properties ////// Updated HorizontalPosition of the scrolled content /// public double HorizontalOffset { get { return _offset.X; } } ////// /// Updated VerticalPosition of the scrolled content /// public double VerticalOffset { get { return _offset.Y; } } ////// /// Change in horizontal offset of the scrolled content /// public double HorizontalChange { get { return _offsetChange.X; } } ////// /// Change in vertical offset of the scrolled content /// public double VerticalChange { get { return _offsetChange.Y; } } ////// /// Updated horizontal size of the viewing window of the ScrollViewer /// public double ViewportWidth { get { return _viewport.Width; } } ////// /// Updated vertical size of the viewing window of the ScrollViewer. /// public double ViewportHeight { get { return _viewport.Height; } } ////// /// Change in the horizontal size of the viewing window of the ScrollViewer /// public double ViewportWidthChange { get { return _viewportChange.X; } } ////// /// Change in the vertical size of the viewing window of the ScrollViewer. /// public double ViewportHeightChange { get { return _viewportChange.Y; } } ////// /// Updated horizontal size of the scrollable content. /// public double ExtentWidth { get { return _extent.Width; } } ////// /// Updated vertical size of the scrollable content. /// public double ExtentHeight { get { return _extent.Height; } } ////// /// Change in the horizontal size of the scrollable content. /// public double ExtentWidthChange { get { return _extentChange.X; } } ////// /// Change in the vertical size of the scrollable content. /// public double ExtentHeightChange { get { return _extentChange.Y; } } #endregion //-------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- #region Protected Methods ////// /// This method is used to perform the proper type casting in order to /// call the type-safe ScrollChangedEventHandler delegate for the ScrollChangedEvent event. /// /// The handler to invoke. /// The current object along the event's route. protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) { ScrollChangedEventHandler handler = (ScrollChangedEventHandler)genericHandler; handler(genericTarget, this); } #endregion //------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------- #region Private Fields // Current scroll data private Vector _offset; private Vector _offsetChange; private Size _extent; private Vector _extentChange; private Size _viewport; private Vector _viewportChange; #endregion } } // 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. // //--------------------------------------------------------------------------- using System; using System.Windows; namespace System.Windows.Controls { ////// This delegate is used by handlers of the ScrollChangedEvent event. /// /// The current element along the event's route. /// The event arguments containing additional information about the event. ///Nothing. public delegate void ScrollChangedEventHandler(object sender, ScrollChangedEventArgs e); ////// The ScrollChangedEventsArgs describe a change in scrolling state. /// public class ScrollChangedEventArgs: RoutedEventArgs { //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- #region Constructors ////// Constructor /// internal ScrollChangedEventArgs(Vector offset, Vector offsetChange, Size extent, Vector extentChange, Size viewport, Vector viewportChange) { _offset = offset; _offsetChange = offsetChange; _extent = extent; _extentChange = extentChange; _viewport = viewport; _viewportChange = viewportChange; } #endregion Constructors //-------------------------------------------------------------------- // // Public Properties (CLR + Avalon) // //------------------------------------------------------------------- #region Public Properties ////// Updated HorizontalPosition of the scrolled content /// public double HorizontalOffset { get { return _offset.X; } } ////// /// Updated VerticalPosition of the scrolled content /// public double VerticalOffset { get { return _offset.Y; } } ////// /// Change in horizontal offset of the scrolled content /// public double HorizontalChange { get { return _offsetChange.X; } } ////// /// Change in vertical offset of the scrolled content /// public double VerticalChange { get { return _offsetChange.Y; } } ////// /// Updated horizontal size of the viewing window of the ScrollViewer /// public double ViewportWidth { get { return _viewport.Width; } } ////// /// Updated vertical size of the viewing window of the ScrollViewer. /// public double ViewportHeight { get { return _viewport.Height; } } ////// /// Change in the horizontal size of the viewing window of the ScrollViewer /// public double ViewportWidthChange { get { return _viewportChange.X; } } ////// /// Change in the vertical size of the viewing window of the ScrollViewer. /// public double ViewportHeightChange { get { return _viewportChange.Y; } } ////// /// Updated horizontal size of the scrollable content. /// public double ExtentWidth { get { return _extent.Width; } } ////// /// Updated vertical size of the scrollable content. /// public double ExtentHeight { get { return _extent.Height; } } ////// /// Change in the horizontal size of the scrollable content. /// public double ExtentWidthChange { get { return _extentChange.X; } } ////// /// Change in the vertical size of the scrollable content. /// public double ExtentHeightChange { get { return _extentChange.Y; } } #endregion //-------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- #region Protected Methods ////// /// This method is used to perform the proper type casting in order to /// call the type-safe ScrollChangedEventHandler delegate for the ScrollChangedEvent event. /// /// The handler to invoke. /// The current object along the event's route. protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) { ScrollChangedEventHandler handler = (ScrollChangedEventHandler)genericHandler; handler(genericTarget, this); } #endregion //------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------- #region Private Fields // Current scroll data private Vector _offset; private Vector _offsetChange; private Size _extent; private Vector _extentChange; private Size _viewport; private Vector _viewportChange; #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
- XPathSingletonIterator.cs
- CodeNamespace.cs
- DocumentEventArgs.cs
- APCustomTypeDescriptor.cs
- XpsResourcePolicy.cs
- RegisteredHiddenField.cs
- UnitControl.cs
- Interlocked.cs
- CounterSampleCalculator.cs
- ObjectParameterCollection.cs
- CultureInfo.cs
- SessionState.cs
- Rect3D.cs
- InternalConfigConfigurationFactory.cs
- DataGridViewRowErrorTextNeededEventArgs.cs
- QuerySubExprEliminator.cs
- SoapFault.cs
- PropertyCollection.cs
- Effect.cs
- SqlNotificationRequest.cs
- DependencyPropertyChangedEventArgs.cs
- XmlSchemaParticle.cs
- ControlBindingsCollection.cs
- ActivityWithResultWrapper.cs
- SoapTypeAttribute.cs
- RegexReplacement.cs
- KeyValuePairs.cs
- Style.cs
- EntityRecordInfo.cs
- NativeMethods.cs
- MenuItem.cs
- CollectionViewGroup.cs
- EntityViewGenerationAttribute.cs
- CmsInterop.cs
- RoutedEventArgs.cs
- HandlerMappingMemo.cs
- DesignerTransactionCloseEvent.cs
- SqlNotificationRequest.cs
- DataGridViewCellStyleContentChangedEventArgs.cs
- DisableDpiAwarenessAttribute.cs
- LinkButton.cs
- RolePrincipal.cs
- XmlAttributeHolder.cs
- Translator.cs
- CompositeControlDesigner.cs
- RawStylusSystemGestureInputReport.cs
- OledbConnectionStringbuilder.cs
- _IPv6Address.cs
- ToolStripManager.cs
- QueryStringParameter.cs
- ToolstripProfessionalRenderer.cs
- TextTreeExtractElementUndoUnit.cs
- HttpFileCollection.cs
- _DisconnectOverlappedAsyncResult.cs
- ExtensionSimplifierMarkupObject.cs
- RemotingException.cs
- PocoEntityKeyStrategy.cs
- ExceptionHandlersDesigner.cs
- VisualBasicExpressionConverter.cs
- PointAnimationUsingPath.cs
- HttpMethodConstraint.cs
- ProviderException.cs
- UserPreferenceChangingEventArgs.cs
- WebBrowserNavigatedEventHandler.cs
- DirectoryObjectSecurity.cs
- OleDbErrorCollection.cs
- DifferencingCollection.cs
- Paragraph.cs
- RectAnimationBase.cs
- JournalEntryListConverter.cs
- IndentTextWriter.cs
- EpmSourceTree.cs
- GenericsInstances.cs
- DataGridCellsPanel.cs
- ControlParser.cs
- BitmapEffectState.cs
- InvalidCommandTreeException.cs
- DocumentDesigner.cs
- AuthenticationManager.cs
- RoleGroupCollectionEditor.cs
- JoinCqlBlock.cs
- LambdaCompiler.Lambda.cs
- ContainerControl.cs
- EdmError.cs
- EncodingNLS.cs
- EasingKeyFrames.cs
- ExpressionBindings.cs
- Operator.cs
- OrCondition.cs
- MemberPathMap.cs
- StrokeNodeOperations2.cs
- ActivityInstance.cs
- UnknownExceptionActionHelper.cs
- PartialClassGenerationTaskInternal.cs
- PeerOutputChannel.cs
- ConnectionStringsExpressionBuilder.cs
- TableLayoutPanel.cs
- XmlElementList.cs
- SrgsGrammarCompiler.cs
- AppDomainFactory.cs