Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Controls / ScrollChangedEventArgs.cs / 1 / 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
- _LoggingObject.cs
- WorkflowElementDialog.cs
- Module.cs
- CodeNamespaceImport.cs
- StackBuilderSink.cs
- TimerEventSubscription.cs
- WebMessageEncodingBindingElement.cs
- List.cs
- VSDExceptions.cs
- EmbeddedMailObjectsCollection.cs
- Icon.cs
- FilterQueryOptionExpression.cs
- DataGridViewCheckBoxCell.cs
- Overlapped.cs
- JsonServiceDocumentSerializer.cs
- WindowShowOrOpenTracker.cs
- SqlCharStream.cs
- ContentElement.cs
- EncodingDataItem.cs
- SourceChangedEventArgs.cs
- BinaryWriter.cs
- ContextBase.cs
- DataGridCell.cs
- TextServicesCompartmentEventSink.cs
- BitmapEffectDrawing.cs
- HotSpot.cs
- TypeDescriptionProvider.cs
- XmlUtf8RawTextWriter.cs
- _DisconnectOverlappedAsyncResult.cs
- SmtpNetworkElement.cs
- DefaultProxySection.cs
- TraceContextEventArgs.cs
- ActivityExecutorSurrogate.cs
- QueryAccessibilityHelpEvent.cs
- DurationConverter.cs
- AQNBuilder.cs
- XmlCharCheckingReader.cs
- MultiSelector.cs
- uribuilder.cs
- RectangleF.cs
- SizeConverter.cs
- XmlName.cs
- BulletedList.cs
- XmlSerializerVersionAttribute.cs
- ListViewDesigner.cs
- XmlSchemaAny.cs
- TimeSpanStorage.cs
- UnicodeEncoding.cs
- HttpHostedTransportConfiguration.cs
- EntityFunctions.cs
- WebBrowserHelper.cs
- LocalBuilder.cs
- SafeCryptoHandles.cs
- WebPartConnectionsEventArgs.cs
- TypefaceCollection.cs
- TablePatternIdentifiers.cs
- ParentUndoUnit.cs
- CryptoHelper.cs
- TemplateDefinition.cs
- ChannelFactoryRefCache.cs
- DataServiceHostWrapper.cs
- InternalCache.cs
- OperandQuery.cs
- TreeNodeBinding.cs
- DurableRuntimeValidator.cs
- HttpApplication.cs
- AuthenticateEventArgs.cs
- Style.cs
- ImageSource.cs
- WebPartMinimizeVerb.cs
- figurelengthconverter.cs
- AttachedPropertyBrowsableAttribute.cs
- ErrorWebPart.cs
- File.cs
- TypefaceMap.cs
- ObjectStateManager.cs
- SHA1Managed.cs
- Buffer.cs
- SharedPersonalizationStateInfo.cs
- ActionItem.cs
- DesignTimeVisibleAttribute.cs
- ConfigurationValue.cs
- EnterpriseServicesHelper.cs
- ComPlusTraceRecord.cs
- MeshGeometry3D.cs
- FunctionQuery.cs
- XmlSchemaParticle.cs
- AnnotationHighlightLayer.cs
- UInt32Converter.cs
- TextFormatter.cs
- OperationContractGenerationContext.cs
- DesignerPerfEventProvider.cs
- DataTableClearEvent.cs
- JsonReader.cs
- Inflater.cs
- SessionIDManager.cs
- SiteMapHierarchicalDataSourceView.cs
- SqlDataSource.cs
- ValuePattern.cs
- EntityClientCacheEntry.cs