Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Shapes / Polygon.cs / 1305600 / Polygon.cs
//---------------------------------------------------------------------------- // File: Polygon.cs // // Description: // Implementation of Polygon shape element. // // History: // 05/30/02 - [....] - Created. // // Copyright (C) 2003 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System.Windows.Shapes; using System.Diagnostics; using System.Windows.Threading; using System.Windows; using System.Windows.Media; using MS.Internal; using System; namespace System.Windows.Shapes { ////// The polygon shape element /// This element (like all shapes) belongs under a Canvas, /// and will be presented by the parent canvas. /// Since a Polygon is really a polyline which closes its path /// public sealed class Polygon : Shape { #region Constructors ////// Instantiates a new instance of a polygon. /// public Polygon() { } #endregion Constructors #region Dynamic Properties ////// Points property /// public static readonly DependencyProperty PointsProperty = DependencyProperty.Register( "Points", typeof(PointCollection), typeof(Polygon), new FrameworkPropertyMetadata(new FreezableDefaultValueFactory(PointCollection.Empty), FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender)); ////// Points property /// public PointCollection Points { get { return (PointCollection)GetValue(PointsProperty); } set { SetValue(PointsProperty, value); } } ////// FillRule property /// public static readonly DependencyProperty FillRuleProperty = DependencyProperty.Register( "FillRule", typeof(FillRule), typeof(Polygon), new FrameworkPropertyMetadata( FillRule.EvenOdd, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsFillRuleValid) ); ////// FillRule property /// public FillRule FillRule { get { return (FillRule)GetValue(FillRuleProperty); } set { SetValue(FillRuleProperty, value); } } #endregion Dynamic Properties #region Protected Methods and properties ////// Get the polygon that defines this shape /// protected override Geometry DefiningGeometry { get { return _polygonGeometry; } } #endregion #region Internal Methods internal override void CacheDefiningGeometry() { PointCollection pointCollection = Points; PathFigure pathFigure = new PathFigure(); // Are we degenerate? // Yes, if we don't have data if (pointCollection == null) { _polygonGeometry = Geometry.Empty; return; } // Create the polygon PathGeometry // ISSUE-[....]-07/11/2003 - Bug 859068 // The constructor for PathFigure that takes a PointCollection is internal in the Core // so the below causes an A/V. Consider making it public. if (pointCollection.Count > 0) { pathFigure.StartPoint = pointCollection[0]; if (pointCollection.Count > 1) { Point[] array = new Point[pointCollection.Count - 1]; for (int i = 1; i < pointCollection.Count; i++) { array[i - 1] = pointCollection[i]; } pathFigure.Segments.Add(new PolyLineSegment(array, true)); } pathFigure.IsClosed = true; } PathGeometry polygonGeometry = new PathGeometry(); polygonGeometry.Figures.Add(pathFigure); // Set FillRule polygonGeometry.FillRule = FillRule; _polygonGeometry = polygonGeometry; } #endregion Internal Methods #region Private Methods and Members private Geometry _polygonGeometry; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // File: Polygon.cs // // Description: // Implementation of Polygon shape element. // // History: // 05/30/02 - [....] - Created. // // Copyright (C) 2003 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System.Windows.Shapes; using System.Diagnostics; using System.Windows.Threading; using System.Windows; using System.Windows.Media; using MS.Internal; using System; namespace System.Windows.Shapes { ////// The polygon shape element /// This element (like all shapes) belongs under a Canvas, /// and will be presented by the parent canvas. /// Since a Polygon is really a polyline which closes its path /// public sealed class Polygon : Shape { #region Constructors ////// Instantiates a new instance of a polygon. /// public Polygon() { } #endregion Constructors #region Dynamic Properties ////// Points property /// public static readonly DependencyProperty PointsProperty = DependencyProperty.Register( "Points", typeof(PointCollection), typeof(Polygon), new FrameworkPropertyMetadata(new FreezableDefaultValueFactory(PointCollection.Empty), FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender)); ////// Points property /// public PointCollection Points { get { return (PointCollection)GetValue(PointsProperty); } set { SetValue(PointsProperty, value); } } ////// FillRule property /// public static readonly DependencyProperty FillRuleProperty = DependencyProperty.Register( "FillRule", typeof(FillRule), typeof(Polygon), new FrameworkPropertyMetadata( FillRule.EvenOdd, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsFillRuleValid) ); ////// FillRule property /// public FillRule FillRule { get { return (FillRule)GetValue(FillRuleProperty); } set { SetValue(FillRuleProperty, value); } } #endregion Dynamic Properties #region Protected Methods and properties ////// Get the polygon that defines this shape /// protected override Geometry DefiningGeometry { get { return _polygonGeometry; } } #endregion #region Internal Methods internal override void CacheDefiningGeometry() { PointCollection pointCollection = Points; PathFigure pathFigure = new PathFigure(); // Are we degenerate? // Yes, if we don't have data if (pointCollection == null) { _polygonGeometry = Geometry.Empty; return; } // Create the polygon PathGeometry // ISSUE-[....]-07/11/2003 - Bug 859068 // The constructor for PathFigure that takes a PointCollection is internal in the Core // so the below causes an A/V. Consider making it public. if (pointCollection.Count > 0) { pathFigure.StartPoint = pointCollection[0]; if (pointCollection.Count > 1) { Point[] array = new Point[pointCollection.Count - 1]; for (int i = 1; i < pointCollection.Count; i++) { array[i - 1] = pointCollection[i]; } pathFigure.Segments.Add(new PolyLineSegment(array, true)); } pathFigure.IsClosed = true; } PathGeometry polygonGeometry = new PathGeometry(); polygonGeometry.Figures.Add(pathFigure); // Set FillRule polygonGeometry.FillRule = FillRule; _polygonGeometry = polygonGeometry; } #endregion Internal Methods #region Private Methods and Members private Geometry _polygonGeometry; #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
- OverflowException.cs
- MenuCommands.cs
- DrawListViewSubItemEventArgs.cs
- SecurityRuntime.cs
- AttachmentCollection.cs
- MatrixStack.cs
- printdlgexmarshaler.cs
- CacheEntry.cs
- CannotUnloadAppDomainException.cs
- EntityDataSourceStatementEditor.cs
- BindUriHelper.cs
- BlockExpression.cs
- StoryFragments.cs
- TextServicesPropertyRanges.cs
- DispatcherFrame.cs
- securestring.cs
- DataSourceHelper.cs
- BasicBrowserDialog.designer.cs
- LassoHelper.cs
- CompilerTypeWithParams.cs
- TargetParameterCountException.cs
- Comparer.cs
- ContractMapping.cs
- MulticastOption.cs
- TreeNodeStyle.cs
- OracleString.cs
- DataGridColumnHeaderAutomationPeer.cs
- CollectionType.cs
- ContextProperty.cs
- MessageQuerySet.cs
- XmlSchemaCollection.cs
- WhereaboutsReader.cs
- EncoderParameters.cs
- Int16Animation.cs
- HostingEnvironmentWrapper.cs
- HandlerMappingMemo.cs
- TextSelectionHelper.cs
- ConfigXmlText.cs
- Tuple.cs
- XsltArgumentList.cs
- TaiwanCalendar.cs
- HttpMethodConstraint.cs
- WsatEtwTraceListener.cs
- HashHelper.cs
- ExpressionEditorAttribute.cs
- PowerStatus.cs
- MediaElementAutomationPeer.cs
- WindowsUpDown.cs
- EventListener.cs
- ValuePattern.cs
- BindingCompleteEventArgs.cs
- ASCIIEncoding.cs
- CodeNamespaceImport.cs
- Semaphore.cs
- _AuthenticationState.cs
- StructuralObject.cs
- CharacterHit.cs
- ContentType.cs
- StaticExtensionConverter.cs
- UpdateManifestForBrowserApplication.cs
- Cursors.cs
- CqlParserHelpers.cs
- VirtualPathExtension.cs
- ContainerParaClient.cs
- FileDialog_Vista_Interop.cs
- LabelLiteral.cs
- XmlSchemaSubstitutionGroup.cs
- SQLInt16.cs
- StorageEntitySetMapping.cs
- Hash.cs
- OrderedDictionary.cs
- WebPartsPersonalization.cs
- FontStyle.cs
- Set.cs
- xmlsaver.cs
- ToolStripOverflowButton.cs
- WS2007HttpBindingCollectionElement.cs
- Evidence.cs
- updatecommandorderer.cs
- TypeBrowser.xaml.cs
- LineBreakRecord.cs
- CommandID.cs
- FontEditor.cs
- Int32.cs
- TableRowGroup.cs
- XmlStreamStore.cs
- SHA384Cng.cs
- JsonEnumDataContract.cs
- cryptoapiTransform.cs
- SqlInternalConnectionTds.cs
- PartDesigner.cs
- StreamInfo.cs
- TextEditorContextMenu.cs
- Panel.cs
- ConnectionStringsSection.cs
- MenuBindingsEditor.cs
- WithParamAction.cs
- FixedTextView.cs
- SqlMethodAttribute.cs
- EmptyTextWriter.cs