Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / 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 : ghermann - 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. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Adorner for column resize. // // History: // 08/19/2004 : ghermann - 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
- XmlPreloadedResolver.cs
- CompilerErrorCollection.cs
- ButtonRenderer.cs
- GeometryCollection.cs
- RbTree.cs
- StorageRoot.cs
- TransformerInfo.cs
- Listbox.cs
- BamlResourceDeserializer.cs
- Function.cs
- CodeTypeReference.cs
- EllipseGeometry.cs
- UpdateCommand.cs
- formatter.cs
- XmlUTF8TextReader.cs
- httpstaticobjectscollection.cs
- OperationInvokerTrace.cs
- OleDbConnectionInternal.cs
- CollectionViewSource.cs
- ExpressionSelection.cs
- NavigationProperty.cs
- DebugManager.cs
- Point.cs
- Command.cs
- ConstraintStruct.cs
- QilScopedVisitor.cs
- ToggleProviderWrapper.cs
- AutomationPatternInfo.cs
- Compensation.cs
- XmlSchemaAll.cs
- OracleDataReader.cs
- ContextItem.cs
- XmlWriterTraceListener.cs
- PaintEvent.cs
- NetworkAddressChange.cs
- HostedElements.cs
- CustomSignedXml.cs
- GenericUriParser.cs
- contentDescriptor.cs
- SafeFindHandle.cs
- COM2TypeInfoProcessor.cs
- WindowsNonControl.cs
- TableRow.cs
- XmlSchemaAny.cs
- ToolStripStatusLabel.cs
- ControlCachePolicy.cs
- XmlTextReader.cs
- ProtectedConfiguration.cs
- Types.cs
- XmlWriterTraceListener.cs
- TabItem.cs
- PreloadHost.cs
- XPathNodeIterator.cs
- CustomAttribute.cs
- MaskInputRejectedEventArgs.cs
- DesignerListAdapter.cs
- BufferedReadStream.cs
- FillErrorEventArgs.cs
- BindingGraph.cs
- GeneralTransform3D.cs
- DeclarativeCatalogPart.cs
- DataGridViewRowPostPaintEventArgs.cs
- TraceListeners.cs
- DesignTimeHTMLTextWriter.cs
- SourceFilter.cs
- XmlSchemaAttribute.cs
- LinqDataView.cs
- BitmapEffectInputData.cs
- ApplicationException.cs
- NavigatingCancelEventArgs.cs
- DataGridViewCellMouseEventArgs.cs
- ActivityExecutorSurrogate.cs
- LinkedResource.cs
- SoapAttributeAttribute.cs
- BufferedStream.cs
- Crc32.cs
- WebPartVerbsEventArgs.cs
- ItemsControlAutomationPeer.cs
- ButtonChrome.cs
- BitmapVisualManager.cs
- ViewKeyConstraint.cs
- ScrollPatternIdentifiers.cs
- PropertyDescriptor.cs
- Exceptions.cs
- WrappedIUnknown.cs
- BrowserDefinitionCollection.cs
- DefaultAsyncDataDispatcher.cs
- ReachUIElementCollectionSerializerAsync.cs
- HttpStreamMessage.cs
- XmlBindingWorker.cs
- StrongNamePublicKeyBlob.cs
- XmlSchemaSimpleContentExtension.cs
- MissingSatelliteAssemblyException.cs
- UserCancellationException.cs
- HebrewNumber.cs
- Typography.cs
- TextEvent.cs
- Decorator.cs
- DbConnectionPoolGroup.cs
- ValidatorUtils.cs