Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Themes / Aero / Microsoft / Windows / Themes / ProgressBarHighlightConverter.cs / 1 / 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
- ConcatQueryOperator.cs
- ToolBar.cs
- TextSimpleMarkerProperties.cs
- NamespaceDecl.cs
- SafeRightsManagementEnvironmentHandle.cs
- DrawingAttributes.cs
- BamlBinaryReader.cs
- HttpProcessUtility.cs
- ADMembershipUser.cs
- ReachSerializerAsync.cs
- SspiSecurityToken.cs
- SafeSystemMetrics.cs
- ServiceManagerHandle.cs
- SourceInterpreter.cs
- SQLRoleProvider.cs
- SQLUtility.cs
- FormsAuthenticationUser.cs
- DbConvert.cs
- DataGridViewRowConverter.cs
- CqlIdentifiers.cs
- ViewgenContext.cs
- PolicyManager.cs
- SessionState.cs
- RequestCacheEntry.cs
- SpecialFolderEnumConverter.cs
- Errors.cs
- InputProcessorProfilesLoader.cs
- ObjectFullSpanRewriter.cs
- DatePicker.cs
- XmlSchemaAppInfo.cs
- InfoCardRSAPKCS1SignatureDeformatter.cs
- ResourceSetExpression.cs
- ZipIOBlockManager.cs
- TextEffect.cs
- ProviderConnectionPoint.cs
- LogEntryHeaderSerializer.cs
- SoapReflector.cs
- RegistryKey.cs
- LayoutSettings.cs
- hresults.cs
- DeclarativeCatalogPart.cs
- XmlSchemaGroup.cs
- BitmapMetadata.cs
- UnsafeNativeMethods.cs
- Bits.cs
- XPathAncestorIterator.cs
- XamlTreeBuilder.cs
- ImageAnimator.cs
- PagePropertiesChangingEventArgs.cs
- SemanticBasicElement.cs
- SupportedAddressingMode.cs
- IPHostEntry.cs
- PolyLineSegment.cs
- HebrewCalendar.cs
- SqlCacheDependency.cs
- SafePEFileHandle.cs
- OutputCacheProfileCollection.cs
- WebPartDisplayModeCancelEventArgs.cs
- SyntaxCheck.cs
- JsonByteArrayDataContract.cs
- Parsers.cs
- ButtonBaseAutomationPeer.cs
- SqlGatherProducedAliases.cs
- DetailsViewPagerRow.cs
- StorageComplexPropertyMapping.cs
- LayoutTable.cs
- XmlAttributeOverrides.cs
- FixedSOMTableRow.cs
- RadioButtonRenderer.cs
- SQLDecimalStorage.cs
- WebPartUtil.cs
- FormsAuthenticationUserCollection.cs
- ContentValidator.cs
- MimeXmlReflector.cs
- PingReply.cs
- MenuCommandService.cs
- DiagnosticTraceSource.cs
- DbFunctionCommandTree.cs
- RC2.cs
- Util.cs
- MaterialGroup.cs
- AtomEntry.cs
- AmbiguousMatchException.cs
- URLMembershipCondition.cs
- MimeParameter.cs
- StorageEntityTypeMapping.cs
- ToolStripDropDownItem.cs
- OleDbInfoMessageEvent.cs
- GridViewHeaderRowPresenter.cs
- Interlocked.cs
- TimelineCollection.cs
- EncoderReplacementFallback.cs
- NavigatorInput.cs
- LabelEditEvent.cs
- DependencyPropertyKey.cs
- DocumentSequenceHighlightLayer.cs
- DataGridTable.cs
- WebPartMenu.cs
- MimeReturn.cs
- Operator.cs