Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Documents / ColumnResizeAdorner.cs / 1305600 / 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
- PropertyInfoSet.cs
- TempEnvironment.cs
- PaperSize.cs
- DescendentsWalkerBase.cs
- SafeFileMappingHandle.cs
- WebPartEventArgs.cs
- ErrorFormatterPage.cs
- ProbeDuplex11AsyncResult.cs
- GridViewCellAutomationPeer.cs
- EncryptedHeaderXml.cs
- MailMessageEventArgs.cs
- MDIControlStrip.cs
- HtmlInputHidden.cs
- Hash.cs
- DesignerSerializationVisibilityAttribute.cs
- GeneratedCodeAttribute.cs
- NullExtension.cs
- ComboBox.cs
- DesignerUtils.cs
- SR.cs
- EUCJPEncoding.cs
- ZipFileInfoCollection.cs
- FieldNameLookup.cs
- SendActivityDesigner.cs
- DropDownButton.cs
- HttpListener.cs
- StructureChangedEventArgs.cs
- ResXResourceReader.cs
- GenericTypeParameterBuilder.cs
- CharacterBuffer.cs
- TagMapCollection.cs
- IntAverageAggregationOperator.cs
- ResourcePermissionBase.cs
- HelloMessageCD1.cs
- XmlReturnReader.cs
- documentsequencetextcontainer.cs
- HttpResponseInternalWrapper.cs
- SaveFileDialog.cs
- WindowsSolidBrush.cs
- ItemCollection.cs
- KeyboardNavigation.cs
- GridSplitterAutomationPeer.cs
- Configuration.cs
- ReadOnlyKeyedCollection.cs
- MutexSecurity.cs
- FixedHyperLink.cs
- Brush.cs
- UserControl.cs
- TextSpan.cs
- QueryCursorEventArgs.cs
- PopupControlService.cs
- OleDbPermission.cs
- NativeMethods.cs
- Dictionary.cs
- DesignTimeTemplateParser.cs
- SoapIgnoreAttribute.cs
- OneOfConst.cs
- ItemAutomationPeer.cs
- ConfigurationElement.cs
- CurrentChangingEventManager.cs
- DataGridCommandEventArgs.cs
- IISMapPath.cs
- NavigationWindowAutomationPeer.cs
- FamilyCollection.cs
- WindowsBrush.cs
- SafeReversePInvokeHandle.cs
- cryptoapiTransform.cs
- Selection.cs
- ListViewContainer.cs
- ExpressionBinding.cs
- GrammarBuilderBase.cs
- SecurityPermission.cs
- GridViewColumnCollection.cs
- HttpContextWrapper.cs
- NonClientArea.cs
- WinEventTracker.cs
- RowUpdatingEventArgs.cs
- XmlExtensionFunction.cs
- CacheMemory.cs
- HostedHttpContext.cs
- DllNotFoundException.cs
- WebContext.cs
- ISCIIEncoding.cs
- CollectionViewGroup.cs
- SelectedCellsChangedEventArgs.cs
- MenuItemBindingCollection.cs
- LicenseManager.cs
- ListViewItemEventArgs.cs
- ProgressBarBrushConverter.cs
- TemplateKeyConverter.cs
- PropertyOverridesDialog.cs
- ColumnTypeConverter.cs
- RectangleGeometry.cs
- LabelTarget.cs
- TypeConstant.cs
- CustomCategoryAttribute.cs
- PageStatePersister.cs
- CompositeFontFamily.cs
- Collection.cs
- DataObjectAttribute.cs