Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Debug.cs
- ResourceDescriptionAttribute.cs
- SqlNotificationEventArgs.cs
- FigureParagraph.cs
- Tablet.cs
- ContentTextAutomationPeer.cs
- TreeNodeCollection.cs
- HwndSourceParameters.cs
- AttachedPropertyDescriptor.cs
- VirtualDirectoryMappingCollection.cs
- ComponentConverter.cs
- RadioButtonAutomationPeer.cs
- WindowsListViewGroup.cs
- WrapperSecurityCommunicationObject.cs
- MenuItemBindingCollection.cs
- FaultDescriptionCollection.cs
- ObjRef.cs
- AmbientLight.cs
- ValidationHelpers.cs
- DelayedRegex.cs
- SqlCommandBuilder.cs
- RevocationPoint.cs
- Type.cs
- PermissionToken.cs
- SelectionItemProviderWrapper.cs
- ProxyElement.cs
- WebConvert.cs
- LinkedList.cs
- MethodBody.cs
- TextEffectResolver.cs
- ImageSourceValueSerializer.cs
- XmlComplianceUtil.cs
- Calendar.cs
- Int64KeyFrameCollection.cs
- DesignerActionUIStateChangeEventArgs.cs
- WindowsFormsSynchronizationContext.cs
- GridViewUpdateEventArgs.cs
- SoapSchemaExporter.cs
- DataGridViewColumnCollection.cs
- ConsumerConnectionPointCollection.cs
- OleDbConnection.cs
- EdmEntityTypeAttribute.cs
- XmlDataImplementation.cs
- OledbConnectionStringbuilder.cs
- TemplateBuilder.cs
- ConfigurationLocation.cs
- ProcessThread.cs
- BaseParaClient.cs
- XmlAnyElementAttributes.cs
- CodeParameterDeclarationExpression.cs
- LoginUtil.cs
- BindingMAnagerBase.cs
- DataContractSerializer.cs
- OdbcConnectionOpen.cs
- SimpleHandlerBuildProvider.cs
- PlanCompilerUtil.cs
- ThreadPool.cs
- DrawingImage.cs
- NativeCppClassAttribute.cs
- Signature.cs
- ConfigXmlCDataSection.cs
- FlowDocumentFormatter.cs
- ElapsedEventArgs.cs
- TextSelectionProcessor.cs
- Matrix3DValueSerializer.cs
- TemplateFactory.cs
- ExecutorLocksHeldException.cs
- BoundField.cs
- MinimizableAttributeTypeConverter.cs
- StringExpressionSet.cs
- RegisterInfo.cs
- SecurityPolicySection.cs
- SiteMapProvider.cs
- Token.cs
- CreationContext.cs
- Parser.cs
- WinCategoryAttribute.cs
- TemporaryBitmapFile.cs
- _LoggingObject.cs
- ImageInfo.cs
- FormViewModeEventArgs.cs
- CriticalExceptions.cs
- RecordConverter.cs
- WindowsRebar.cs
- FreezableOperations.cs
- SoapEnumAttribute.cs
- FeatureSupport.cs
- StateElementCollection.cs
- SqlRowUpdatingEvent.cs
- CommandManager.cs
- OperationPickerDialog.designer.cs
- RightsManagementEncryptedStream.cs
- WebPartConnection.cs
- XmlCodeExporter.cs
- HitTestParameters3D.cs
- MetafileEditor.cs
- MSAAEventDispatcher.cs
- cookiecollection.cs
- DataGridViewComboBoxColumnDesigner.cs
- VisualStyleRenderer.cs