Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Themes / Aero / Microsoft / Windows / Themes / ProgressBarHighlightConverter.cs / 1305600 / ProgressBarHighlightConverter.cs
//---------------------------------------------------------------------------- // // Copyright (C) by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Globalization; using System.Threading; using System.Windows; using System.Windows.Controls.Primitives; using System.Windows.Data; using System.Windows.Media; using System.Windows.Media.Animation; namespace Microsoft.Windows.Themes { ////// The ProgressBarHighlightConverter class /// public class ProgressBarHighlightConverter : IMultiValueConverter { ////// Creates the brush for the ProgressBar /// /// ForegroundBrush, IsIndeterminate, Width, Height /// /// /// ///Brush for the ProgressBar public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { // // Parameter Validation // Type doubleType = typeof(double); if (values == null || (values.Length != 3) || (values[0] == null) || (values[1] == null) || (values[2] == null) || !typeof(Brush).IsAssignableFrom(values[0].GetType()) || !doubleType.IsAssignableFrom(values[1].GetType()) || !doubleType.IsAssignableFrom(values[2].GetType())) { return null; } // // Conversion // Brush brush = (Brush)values[0]; double width = (double)values[1]; double height = (double)values[2]; // if an invalid height, return a null brush if (width <= 0.0 || Double.IsInfinity(width) || Double.IsNaN(width) || height <= 0.0 || Double.IsInfinity(height) || Double.IsNaN(height) ) { return null; } DrawingBrush newBrush = new DrawingBrush(); // Create a Drawing Brush that is 2x longer than progress bar track // // +-------------+.............. // | highlight | empty : // +-------------+.............: // // This brush will animate to the right. double twiceWidth = width * 2.0; // Set the viewport and viewbox to the 2*size of the progress region newBrush.Viewport = newBrush.Viewbox = new Rect(-width, 0, twiceWidth, height); newBrush.ViewportUnits = newBrush.ViewboxUnits = BrushMappingMode.Absolute; newBrush.TileMode = TileMode.None; newBrush.Stretch = Stretch.None; DrawingGroup myDrawing = new DrawingGroup(); DrawingContext myDrawingContext = myDrawing.Open(); // Draw the highlight myDrawingContext.DrawRectangle(brush, null, new Rect(-width, 0, width, height)); // Animate the Translation TimeSpan translateTime = TimeSpan.FromSeconds(twiceWidth / 200.0); // travel at 200px /second TimeSpan pauseTime = TimeSpan.FromSeconds(1.0); // pause 1 second between animations DoubleAnimationUsingKeyFrames animation = new DoubleAnimationUsingKeyFrames(); animation.BeginTime = TimeSpan.Zero; animation.Duration = new Duration(translateTime + pauseTime); animation.RepeatBehavior = RepeatBehavior.Forever; animation.KeyFrames.Add(new LinearDoubleKeyFrame(twiceWidth, translateTime)); TranslateTransform translation = new TranslateTransform(); // Set the animation to the XProperty translation.BeginAnimation(TranslateTransform.XProperty, animation); // Set the animated translation on the brush newBrush.Transform = translation; myDrawingContext.Close(); newBrush.Drawing = myDrawing; return newBrush; } ////// 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 null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // Copyright (C) by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Globalization; using System.Threading; using System.Windows; using System.Windows.Controls.Primitives; using System.Windows.Data; using System.Windows.Media; using System.Windows.Media.Animation; namespace Microsoft.Windows.Themes { ////// The ProgressBarHighlightConverter class /// public class ProgressBarHighlightConverter : IMultiValueConverter { ////// Creates the brush for the ProgressBar /// /// ForegroundBrush, IsIndeterminate, Width, Height /// /// /// ///Brush for the ProgressBar public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { // // Parameter Validation // Type doubleType = typeof(double); if (values == null || (values.Length != 3) || (values[0] == null) || (values[1] == null) || (values[2] == null) || !typeof(Brush).IsAssignableFrom(values[0].GetType()) || !doubleType.IsAssignableFrom(values[1].GetType()) || !doubleType.IsAssignableFrom(values[2].GetType())) { return null; } // // Conversion // Brush brush = (Brush)values[0]; double width = (double)values[1]; double height = (double)values[2]; // if an invalid height, return a null brush if (width <= 0.0 || Double.IsInfinity(width) || Double.IsNaN(width) || height <= 0.0 || Double.IsInfinity(height) || Double.IsNaN(height) ) { return null; } DrawingBrush newBrush = new DrawingBrush(); // Create a Drawing Brush that is 2x longer than progress bar track // // +-------------+.............. // | highlight | empty : // +-------------+.............: // // This brush will animate to the right. double twiceWidth = width * 2.0; // Set the viewport and viewbox to the 2*size of the progress region newBrush.Viewport = newBrush.Viewbox = new Rect(-width, 0, twiceWidth, height); newBrush.ViewportUnits = newBrush.ViewboxUnits = BrushMappingMode.Absolute; newBrush.TileMode = TileMode.None; newBrush.Stretch = Stretch.None; DrawingGroup myDrawing = new DrawingGroup(); DrawingContext myDrawingContext = myDrawing.Open(); // Draw the highlight myDrawingContext.DrawRectangle(brush, null, new Rect(-width, 0, width, height)); // Animate the Translation TimeSpan translateTime = TimeSpan.FromSeconds(twiceWidth / 200.0); // travel at 200px /second TimeSpan pauseTime = TimeSpan.FromSeconds(1.0); // pause 1 second between animations DoubleAnimationUsingKeyFrames animation = new DoubleAnimationUsingKeyFrames(); animation.BeginTime = TimeSpan.Zero; animation.Duration = new Duration(translateTime + pauseTime); animation.RepeatBehavior = RepeatBehavior.Forever; animation.KeyFrames.Add(new LinearDoubleKeyFrame(twiceWidth, translateTime)); TranslateTransform translation = new TranslateTransform(); // Set the animation to the XProperty translation.BeginAnimation(TranslateTransform.XProperty, animation); // Set the animated translation on the brush newBrush.Transform = translation; myDrawingContext.Close(); newBrush.Drawing = myDrawing; return newBrush; } ////// 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 null; } } } // 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
- WebException.cs
- BaseTemplateCodeDomTreeGenerator.cs
- Internal.cs
- XmlMemberMapping.cs
- InstanceCreationEditor.cs
- HwndTarget.cs
- Crc32Helper.cs
- PinnedBufferMemoryStream.cs
- DelegatedStream.cs
- Internal.cs
- FamilyMap.cs
- SelfIssuedSamlTokenFactory.cs
- DiscardableAttribute.cs
- DynamicEntity.cs
- DependencyPropertyKey.cs
- CancelAsyncOperationRequest.cs
- WindowProviderWrapper.cs
- CommentEmitter.cs
- MemoryFailPoint.cs
- OdbcConnection.cs
- DecimalAnimation.cs
- TypeHelper.cs
- SqlUserDefinedAggregateAttribute.cs
- Nullable.cs
- DataDocumentXPathNavigator.cs
- InternalConfigConfigurationFactory.cs
- SimpleApplicationHost.cs
- TiffBitmapDecoder.cs
- CodeCommentStatement.cs
- StylusPointProperties.cs
- RouteItem.cs
- ComEventsSink.cs
- AndCondition.cs
- PromptEventArgs.cs
- EntityDataSourceEntityTypeFilterItem.cs
- AdornerDecorator.cs
- BroadcastEventHelper.cs
- QueryServiceConfigHandle.cs
- RadioButtonRenderer.cs
- ConnectionManagementElement.cs
- SubMenuStyle.cs
- ObjectConverter.cs
- mansign.cs
- DetailsViewRowCollection.cs
- Privilege.cs
- AxisAngleRotation3D.cs
- LZCodec.cs
- UnregisterInfo.cs
- XmlTypeMapping.cs
- TextClipboardData.cs
- XmlLoader.cs
- PermissionAttributes.cs
- AsyncStreamReader.cs
- XamlTreeBuilder.cs
- CriticalHandle.cs
- ListenerAdapter.cs
- ExpressionBindingCollection.cs
- BatchParser.cs
- FileDialog_Vista_Interop.cs
- OletxEnlistment.cs
- DescriptionCreator.cs
- SiteMapNodeItemEventArgs.cs
- HotSpotCollection.cs
- BitVector32.cs
- ColorInterpolationModeValidation.cs
- TabControl.cs
- ListViewUpdatedEventArgs.cs
- RegexStringValidator.cs
- DropAnimation.xaml.cs
- ActivationServices.cs
- OleDbTransaction.cs
- TextSchema.cs
- TextModifierScope.cs
- BamlMapTable.cs
- BamlBinaryReader.cs
- ScrollViewerAutomationPeer.cs
- WebPartConnectionsCancelEventArgs.cs
- SubstitutionResponseElement.cs
- FixedPage.cs
- CustomGrammar.cs
- ToolTipAutomationPeer.cs
- COM2Properties.cs
- ThreadStateException.cs
- Int32Converter.cs
- PrtCap_Reader.cs
- IisTraceWebEventProvider.cs
- WebPartPersonalization.cs
- Expander.cs
- ProviderMetadataCachedInformation.cs
- DataObjectAttribute.cs
- WorkItem.cs
- XmlDataImplementation.cs
- SplitterPanel.cs
- ThreadInterruptedException.cs
- Vars.cs
- SqlOuterApplyReducer.cs
- ASCIIEncoding.cs
- PageFunction.cs
- Component.cs
- ConfigXmlElement.cs