Code:
/ 4.0 / 4.0 / untmp / 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GlobalizationSection.cs
- XmlSchemaValidationException.cs
- WinFormsComponentEditor.cs
- ConnectionProviderAttribute.cs
- CodeStatementCollection.cs
- AddingNewEventArgs.cs
- DbConnectionPoolCounters.cs
- VectorConverter.cs
- DataServiceConfiguration.cs
- PromptBuilder.cs
- DataObjectPastingEventArgs.cs
- VisualStateGroup.cs
- QilReference.cs
- ResourceDescriptionAttribute.cs
- DrawingState.cs
- HtmlTitle.cs
- Margins.cs
- CodeConditionStatement.cs
- ScrollProviderWrapper.cs
- CompilerGeneratedAttribute.cs
- Opcode.cs
- DocumentEventArgs.cs
- WSUtilitySpecificationVersion.cs
- Function.cs
- XPathNodePointer.cs
- HtmlInputReset.cs
- NameValueFileSectionHandler.cs
- TreeNode.cs
- Int64Animation.cs
- DynamicScriptObject.cs
- InstancePersistenceCommand.cs
- GridItem.cs
- Stack.cs
- ConfigurationPermission.cs
- IQueryable.cs
- Zone.cs
- DetailsViewUpdateEventArgs.cs
- ModuleConfigurationInfo.cs
- ViewEvent.cs
- CrossSiteScriptingValidation.cs
- ConditionChanges.cs
- GridEntryCollection.cs
- NullableDoubleMinMaxAggregationOperator.cs
- ContractListAdapter.cs
- ContractValidationHelper.cs
- XmlHelper.cs
- HtmlEmptyTagControlBuilder.cs
- IHttpResponseInternal.cs
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- InertiaTranslationBehavior.cs
- TextParagraphProperties.cs
- SmtpSpecifiedPickupDirectoryElement.cs
- ClientData.cs
- ComponentSerializationService.cs
- TagNameToTypeMapper.cs
- HwndProxyElementProvider.cs
- CompilationUtil.cs
- ImageMapEventArgs.cs
- RuntimeConfigLKG.cs
- RectAnimationUsingKeyFrames.cs
- BitmapMetadata.cs
- CellTreeNodeVisitors.cs
- XmlNodeComparer.cs
- DrawingCollection.cs
- SystemNetworkInterface.cs
- DataTransferEventArgs.cs
- MeasureItemEvent.cs
- AncestorChangedEventArgs.cs
- SafeRegistryHandle.cs
- AppSettingsReader.cs
- SmiSettersStream.cs
- RepeatButtonAutomationPeer.cs
- ResXBuildProvider.cs
- StreamProxy.cs
- PageTheme.cs
- DataGridHeaderBorder.cs
- MetadataFile.cs
- IriParsingElement.cs
- DependencyObjectValidator.cs
- DataException.cs
- OpacityConverter.cs
- SByteConverter.cs
- BamlTreeNode.cs
- Visual3DCollection.cs
- OracleNumber.cs
- OutputCacheSettings.cs
- Point3DConverter.cs
- PerformanceCounterTraceRecord.cs
- SQLString.cs
- TableLayoutSettingsTypeConverter.cs
- CreateUserWizard.cs
- SafeNativeMethods.cs
- DataService.cs
- MeasureItemEvent.cs
- Help.cs
- ByteStorage.cs
- EncryptedReference.cs
- ImplicitInputBrush.cs
- Touch.cs
- PolyQuadraticBezierSegment.cs