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
- NumberFormatter.cs
- ConstraintManager.cs
- SecurityStateEncoder.cs
- FileLoadException.cs
- BaseTreeIterator.cs
- LayoutTableCell.cs
- ListViewInsertionMark.cs
- XmlMapping.cs
- MaterialCollection.cs
- QilGeneratorEnv.cs
- ActivationArguments.cs
- NetSectionGroup.cs
- FloatMinMaxAggregationOperator.cs
- InternalConfigRoot.cs
- PackageStore.cs
- ExpressionEditorAttribute.cs
- XmlSchemaAnnotated.cs
- Vector3DCollection.cs
- ReceiveActivityDesignerTheme.cs
- PreservationFileReader.cs
- Animatable.cs
- WebRequestModulesSection.cs
- HttpApplication.cs
- CellCreator.cs
- HeaderElement.cs
- RoleManagerModule.cs
- StringBuilder.cs
- DataProviderNameConverter.cs
- CustomCategoryAttribute.cs
- ModulesEntry.cs
- TransformProviderWrapper.cs
- LinkArea.cs
- LinqDataSourceDisposeEventArgs.cs
- HtmlInputRadioButton.cs
- XmlObjectSerializerReadContext.cs
- CompressEmulationStream.cs
- WorkflowApplicationCompletedException.cs
- ProviderConnectionPoint.cs
- SecurityPermission.cs
- Schedule.cs
- RelationshipEndMember.cs
- OdbcStatementHandle.cs
- CheckBoxField.cs
- InputBinding.cs
- EnumValidator.cs
- ListManagerBindingsCollection.cs
- DataGridViewRowCollection.cs
- XmlBaseWriter.cs
- TrackBar.cs
- LinearGradientBrush.cs
- FixedSchema.cs
- NativeMethods.cs
- MdiWindowListStrip.cs
- Splitter.cs
- Grid.cs
- DateTimeConverter2.cs
- SmiEventSink.cs
- StreamInfo.cs
- NoResizeHandleGlyph.cs
- EventHandlersStore.cs
- PointHitTestResult.cs
- SHA384Managed.cs
- UIElementAutomationPeer.cs
- XmlDataProvider.cs
- HtmlUtf8RawTextWriter.cs
- RequestCacheEntry.cs
- SessionEndedEventArgs.cs
- RequestQueue.cs
- SourceItem.cs
- InfoCardListRequest.cs
- HebrewCalendar.cs
- MatcherBuilder.cs
- ContentHostHelper.cs
- VisualStyleElement.cs
- DynamicRenderer.cs
- CallTemplateAction.cs
- SqlDependencyUtils.cs
- TypeReference.cs
- GenericUI.cs
- StatusBarItemAutomationPeer.cs
- SkinBuilder.cs
- EffectiveValueEntry.cs
- DrawingDrawingContext.cs
- DefaultObjectMappingItemCollection.cs
- DataGridSortingEventArgs.cs
- PathBox.cs
- SimpleRecyclingCache.cs
- ApplicationSecurityInfo.cs
- MobileFormsAuthentication.cs
- ProcessHost.cs
- SuppressMessageAttribute.cs
- InvalidProgramException.cs
- ErrorTolerantObjectWriter.cs
- NetworkStream.cs
- XomlSerializationHelpers.cs
- RijndaelManagedTransform.cs
- MSAAWinEventWrap.cs
- Model3D.cs
- Optimizer.cs
- LicFileLicenseProvider.cs