Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Documents / ColumnResizeAdorner.cs / 1 / ColumnResizeAdorner.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Adorner for column resize. // // History: // 08/19/2004 : [....] - Created // //--------------------------------------------------------------------------- using System; using System.Diagnostics; using System.Windows.Documents; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Controls; using System.Windows.Controls.Primitives; using MS.Win32; using MS.Internal; namespace System.Windows.Documents.Internal { internal class ColumnResizeAdorner : Adorner { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// C'tor for adorner /// /// /// FramwerokElement with TextView to which this element is attached /// as adorner. /// internal ColumnResizeAdorner(UIElement scope) : base(scope) { Debug.Assert(scope != null); // position _pen = new Pen(new SolidColorBrush(Colors.LightSlateGray), 2.0); _x = Double.NaN; _top = Double.NaN; _height = Double.NaN; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Add a transform so that the adorner is in right spot. /// /// /// The transform applied to the object the adorner adorns /// ////// Transform to apply to the adorner /// public override GeneralTransform GetDesiredTransform(GeneralTransform transform) { GeneralTransformGroup group; TranslateTransform translation; group = new GeneralTransformGroup(); translation = new TranslateTransform(_x, _top); group.Children.Add(translation); if (transform != null) { group.Children.Add(transform); } return group; } #endregion Public Methods //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Protected Methods protected override void OnRender(DrawingContext drawingContext) { // Render as a 2 pixel wide rect, one pixel in each bordering char bounding box. drawingContext.DrawLine(_pen, new Point(0, 0), new Point(0, _height)); } #endregion Protected Events //----------------------------------------------------- // // Internal Methods // //------------------------------------------------------ #region Internal Methods ////// Updates position for adorner. /// /// /// internal void Update(double newX) { if(_x != newX) { _x = newX; AdornerLayer adornerLayer; adornerLayer = VisualTreeHelper.GetParent(this) as AdornerLayer; if (adornerLayer != null) { // It may be null when TextBox is detached from a tree adornerLayer.Update(AdornedElement); adornerLayer.InvalidateVisual(); } } } internal void Initialize(UIElement renderScope, double xPos, double yPos, double height) { Debug.Assert(_adornerLayer == null, "Attempt to overwrite existing AdornerLayer!"); _adornerLayer = AdornerLayer.GetAdornerLayer(renderScope); if (_adornerLayer != null) { _adornerLayer.Add(this); } _x = xPos; _top = yPos; _height = height; } internal void Uninitialize() { if (_adornerLayer != null) { _adornerLayer.Remove(this); _adornerLayer = null; } } #endregion Internal methods //----------------------------------------------------- // // Private Methods // //----------------------------------------------------- #region Private Methods #endregion Private methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields // x position private double _x; // top position private double _top; // height private double _height; private Pen _pen; // Cached adornerlayer private AdornerLayer _adornerLayer; #endregion Private Fields } } // 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
- XmlSchemaAny.cs
- TableCell.cs
- HtmlPanelAdapter.cs
- XPathSelfQuery.cs
- RemoveStoryboard.cs
- EmbeddedMailObjectsCollection.cs
- InteropTrackingRecord.cs
- TcpStreams.cs
- ByteAnimation.cs
- AddInStore.cs
- MetaDataInfo.cs
- DesignerActionUI.cs
- CommaDelimitedStringAttributeCollectionConverter.cs
- SwitchAttribute.cs
- WindowShowOrOpenTracker.cs
- CngKeyCreationParameters.cs
- TextParagraphCache.cs
- MetadataWorkspace.cs
- PassportAuthenticationEventArgs.cs
- RealizationDrawingContextWalker.cs
- DataGridPageChangedEventArgs.cs
- DoubleAnimationClockResource.cs
- RootProfilePropertySettingsCollection.cs
- XmlDictionaryReaderQuotasElement.cs
- validationstate.cs
- MethodRental.cs
- OdbcReferenceCollection.cs
- ISO2022Encoding.cs
- XmlDocumentFieldSchema.cs
- CompoundFileStreamReference.cs
- storagemappingitemcollection.viewdictionary.cs
- ArraySegment.cs
- IIS7UserPrincipal.cs
- InputProcessorProfilesLoader.cs
- DataGridViewDataConnection.cs
- StackBuilderSink.cs
- PasswordBoxAutomationPeer.cs
- JavaScriptSerializer.cs
- CopyOnWriteList.cs
- SoapExtensionTypeElement.cs
- StrokeIntersection.cs
- InternalPermissions.cs
- SequenceFullException.cs
- ColorConvertedBitmap.cs
- RightsManagementInformation.cs
- ProvidersHelper.cs
- FlowLayout.cs
- RoleManagerEventArgs.cs
- CheckPair.cs
- XamlSerializationHelper.cs
- WorkItem.cs
- ForwardPositionQuery.cs
- ResXDataNode.cs
- WeakHashtable.cs
- TextTreeFixupNode.cs
- BitmapFrameEncode.cs
- ConfigurationSectionGroupCollection.cs
- OdbcDataAdapter.cs
- GridLengthConverter.cs
- StorageEntitySetMapping.cs
- ColorConverter.cs
- BoundingRectTracker.cs
- Emitter.cs
- ToolStripSeparatorRenderEventArgs.cs
- MergePropertyDescriptor.cs
- SBCSCodePageEncoding.cs
- SemanticAnalyzer.cs
- Triangle.cs
- SoapSchemaImporter.cs
- TableItemStyle.cs
- CounterCreationDataCollection.cs
- SharedStatics.cs
- DataObjectEventArgs.cs
- Listbox.cs
- ConfigurationProperty.cs
- ExceptionUtility.cs
- SelectionChangedEventArgs.cs
- MemberExpression.cs
- MaskInputRejectedEventArgs.cs
- AuthorizationRuleCollection.cs
- CatalogZoneBase.cs
- HierarchicalDataBoundControlAdapter.cs
- ExceptionDetail.cs
- OutKeywords.cs
- RootBrowserWindow.cs
- _LazyAsyncResult.cs
- IODescriptionAttribute.cs
- OutputCacheSettingsSection.cs
- ExtensionWindow.cs
- EndOfStreamException.cs
- TabPage.cs
- assertwrapper.cs
- VectorValueSerializer.cs
- _emptywebproxy.cs
- References.cs
- BuildManager.cs
- Expression.cs
- BamlStream.cs
- FileLoadException.cs
- PageEventArgs.cs