Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / BorderGapMaskConverter.cs / 1305600 / BorderGapMaskConverter.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Used to create a Gap in the Border for GroupBox style // //--------------------------------------------------------------------------- using System.Globalization; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Media; using System.Windows.Shapes; namespace System.Windows.Controls { ////// BorderGapMaskConverter class /// public class BorderGapMaskConverter : IMultiValueConverter { ////// Convert a value. /// /// values as produced by source binding /// target type /// converter parameter /// culture information ////// Converted value. /// Visual Brush that is used as the opacity mask for the Border /// in the style for GroupBox. /// public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { // // Parameter Validation // Type doubleType = typeof(double); if (parameter == null || values == null || values.Length != 3 || values[0] == null || values[1] == null || values[2] == null || !doubleType.IsAssignableFrom(values[0].GetType()) || !doubleType.IsAssignableFrom(values[1].GetType()) || !doubleType.IsAssignableFrom(values[2].GetType()) ) { return DependencyProperty.UnsetValue; } Type paramType = parameter.GetType(); if (!(doubleType.IsAssignableFrom(paramType) || typeof(string).IsAssignableFrom(paramType))) { return DependencyProperty.UnsetValue; } // // Conversion // double headerWidth = (double)values[0]; double borderWidth = (double)values[1]; double borderHeight = (double)values[2]; // Doesn't make sense to have a Grid // with 0 as width or height if (borderWidth == 0 || borderHeight == 0) { return null; } // Width of the line to the left of the header // to be used to set the width of the first column of the Grid double lineWidth; if (parameter is string) { lineWidth = Double.Parse(((string)parameter), NumberFormatInfo.InvariantInfo); } else { lineWidth = (double)parameter; } Grid grid = new Grid(); grid.Width = borderWidth; grid.Height = borderHeight; ColumnDefinition colDef1 = new ColumnDefinition(); ColumnDefinition colDef2 = new ColumnDefinition(); ColumnDefinition colDef3 = new ColumnDefinition(); colDef1.Width = new GridLength(lineWidth); colDef2.Width = new GridLength(headerWidth); colDef3.Width = new GridLength(1, GridUnitType.Star); grid.ColumnDefinitions.Add(colDef1); grid.ColumnDefinitions.Add(colDef2); grid.ColumnDefinitions.Add(colDef3); RowDefinition rowDef1 = new RowDefinition(); RowDefinition rowDef2 = new RowDefinition(); rowDef1.Height = new GridLength(borderHeight / 2); rowDef2.Height = new GridLength(1, GridUnitType.Star); grid.RowDefinitions.Add(rowDef1); grid.RowDefinitions.Add(rowDef2); Rectangle rectColumn1 = new Rectangle(); Rectangle rectColumn2 = new Rectangle(); Rectangle rectColumn3 = new Rectangle(); rectColumn1.Fill = Brushes.Black; rectColumn2.Fill = Brushes.Black; rectColumn3.Fill = Brushes.Black; Grid.SetRowSpan(rectColumn1, 2); Grid.SetRow(rectColumn1, 0); Grid.SetColumn(rectColumn1, 0); Grid.SetRow(rectColumn2, 1); Grid.SetColumn(rectColumn2, 1); Grid.SetRowSpan(rectColumn3, 2); Grid.SetRow(rectColumn3, 0); Grid.SetColumn(rectColumn3, 2); grid.Children.Add(rectColumn1); grid.Children.Add(rectColumn2); grid.Children.Add(rectColumn3); return (new VisualBrush(grid)); } ////// Not Supported /// /// value, as produced by target /// target types /// converter parameter /// culture information ///Nothing public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) { return new object[] { Binding.DoNothing }; } } } // 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
- XslAstAnalyzer.cs
- SystemMulticastIPAddressInformation.cs
- BrowserCapabilitiesCompiler.cs
- RegexInterpreter.cs
- ArrayConverter.cs
- CipherData.cs
- LoginCancelEventArgs.cs
- CustomAttributeBuilder.cs
- XmlUtil.cs
- ThreadAttributes.cs
- EntityDataSourceWrapper.cs
- GridItem.cs
- IChannel.cs
- MembershipUser.cs
- X509PeerCertificateAuthentication.cs
- MeshGeometry3D.cs
- ChildrenQuery.cs
- PeerServiceMessageContracts.cs
- MimeParameterWriter.cs
- sqlinternaltransaction.cs
- DataObjectCopyingEventArgs.cs
- HtmlPhoneCallAdapter.cs
- OdbcCommand.cs
- Stopwatch.cs
- UrlPropertyAttribute.cs
- ConfigurationSectionCollection.cs
- Win32.cs
- ETagAttribute.cs
- OutputScopeManager.cs
- WebPartMenu.cs
- ErrorWebPart.cs
- Animatable.cs
- UpdatePanel.cs
- ContactManager.cs
- SecurityTokenException.cs
- FunctionParameter.cs
- altserialization.cs
- ApplicationDirectoryMembershipCondition.cs
- SHA512.cs
- InvokeProviderWrapper.cs
- TableProvider.cs
- StrokeNodeData.cs
- FrameSecurityDescriptor.cs
- Attributes.cs
- DataBinding.cs
- Margins.cs
- ApplicationDirectory.cs
- DataGridTable.cs
- ProgressChangedEventArgs.cs
- SchemaImporterExtensionElementCollection.cs
- ServiceObjectContainer.cs
- CallTemplateAction.cs
- PathFigureCollection.cs
- TypefaceMetricsCache.cs
- ComProxy.cs
- DbInsertCommandTree.cs
- XmlDataSource.cs
- DiagnosticTrace.cs
- SchemaElement.cs
- COM2PropertyBuilderUITypeEditor.cs
- TextDecorationUnitValidation.cs
- ModelTreeEnumerator.cs
- QueryGeneratorBase.cs
- SingleAnimationBase.cs
- PropertyValueUIItem.cs
- wmiprovider.cs
- CapabilitiesState.cs
- IdnElement.cs
- EditorZoneBase.cs
- OutputCacheModule.cs
- DataServiceRequest.cs
- storepermissionattribute.cs
- ConfigurationValue.cs
- RuntimeConfigurationRecord.cs
- FileEnumerator.cs
- Size3D.cs
- XPathQueryGenerator.cs
- AutoGeneratedFieldProperties.cs
- CuspData.cs
- ObjectViewEntityCollectionData.cs
- WebBrowserSiteBase.cs
- ImageIndexConverter.cs
- Assembly.cs
- _ConnectOverlappedAsyncResult.cs
- WorkflowInstanceSuspendedRecord.cs
- PeerInputChannelListener.cs
- CheckBoxFlatAdapter.cs
- DataGridLinkButton.cs
- HGlobalSafeHandle.cs
- VisualTreeHelper.cs
- DataGridViewHeaderCell.cs
- XPathItem.cs
- XmlTextWriter.cs
- Attributes.cs
- StylusEditingBehavior.cs
- VerticalAlignConverter.cs
- StackBuilderSink.cs
- DataTableCollection.cs
- RC2.cs
- UrlSyndicationContent.cs