Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Animation / RepeatBehaviorConverter.cs / 1305600 / RepeatBehaviorConverter.cs
//------------------------------------------------------------------------------ // Microsoft Windows Client Platform // Copyright (c) Microsoft Corporation, 2004 // // File: RepeatBehaviorConverter.cs //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Security; namespace System.Windows.Media.Animation { ////// /// public sealed class RepeatBehaviorConverter : TypeConverter { #region Data private static char[] _iterationCharacter = new char[] { 'x' }; #endregion ////// CanConvertFrom - Returns whether or not this class can convert from a given type /// ///public override bool CanConvertFrom(ITypeDescriptorContext td, Type t) { if (t == typeof(string)) { return true; } else { return false; } } /// /// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible ///public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if ( destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { return true; } else { return false; } } /// /// ConvertFrom /// ///public override object ConvertFrom( ITypeDescriptorContext td, CultureInfo cultureInfo, object value) { string stringValue = value as string; if (stringValue != null) { stringValue = stringValue.Trim(); if (stringValue == "Forever") { return RepeatBehavior.Forever; } else if ( stringValue.Length > 0 && stringValue[stringValue.Length - 1] == _iterationCharacter[0]) { string stringDoubleValue = stringValue.TrimEnd(_iterationCharacter); double doubleValue = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFrom(td, cultureInfo, stringDoubleValue); return new RepeatBehavior(doubleValue); } } // The value is not Forever or an iteration count so it's either a TimeSpan // or we'll let the TimeSpanConverter raise the appropriate exception. TimeSpan timeSpanValue = (TimeSpan)TypeDescriptor.GetConverter(typeof(TimeSpan)).ConvertFrom(td, cultureInfo, stringValue); return new RepeatBehavior(timeSpanValue); } /// /// TypeConverter method implementation. /// /// ITypeDescriptorContext /// current culture (see CLR specs) /// value to convert from /// Type to convert to ///converted value ////// /// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for RepeatBehavior, not an arbitrary class /// [SecurityCritical] public override object ConvertTo( ITypeDescriptorContext context, CultureInfo cultureInfo, object value, Type destinationType) { if ( value is RepeatBehavior && destinationType != null) { RepeatBehavior repeatBehavior = (RepeatBehavior)value; if (destinationType == typeof(InstanceDescriptor)) { MemberInfo mi; if (repeatBehavior == RepeatBehavior.Forever) { mi = typeof(RepeatBehavior).GetProperty("Forever"); return new InstanceDescriptor(mi, null); } else if (repeatBehavior.HasCount) { mi = typeof(RepeatBehavior).GetConstructor(new Type[] { typeof(double) }); return new InstanceDescriptor(mi, new object[] { repeatBehavior.Count }); } else if (repeatBehavior.HasDuration) { mi = typeof(RepeatBehavior).GetConstructor(new Type[] { typeof(TimeSpan) }); return new InstanceDescriptor(mi, new object[] { repeatBehavior.Duration }); } else { Debug.Fail("Unknown type of RepeatBehavior passed to RepeatBehaviorConverter."); } } else if (destinationType == typeof(string)) { return repeatBehavior.InternalToString(null, cultureInfo); } } // We can't do the conversion, let the base class raise the // appropriate exception. return base.ConvertTo(context, cultureInfo, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Windows Client Platform // Copyright (c) Microsoft Corporation, 2004 // // File: RepeatBehaviorConverter.cs //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Security; namespace System.Windows.Media.Animation { ////// /// public sealed class RepeatBehaviorConverter : TypeConverter { #region Data private static char[] _iterationCharacter = new char[] { 'x' }; #endregion ////// CanConvertFrom - Returns whether or not this class can convert from a given type /// ///public override bool CanConvertFrom(ITypeDescriptorContext td, Type t) { if (t == typeof(string)) { return true; } else { return false; } } /// /// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible ///public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if ( destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { return true; } else { return false; } } /// /// ConvertFrom /// ///public override object ConvertFrom( ITypeDescriptorContext td, CultureInfo cultureInfo, object value) { string stringValue = value as string; if (stringValue != null) { stringValue = stringValue.Trim(); if (stringValue == "Forever") { return RepeatBehavior.Forever; } else if ( stringValue.Length > 0 && stringValue[stringValue.Length - 1] == _iterationCharacter[0]) { string stringDoubleValue = stringValue.TrimEnd(_iterationCharacter); double doubleValue = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFrom(td, cultureInfo, stringDoubleValue); return new RepeatBehavior(doubleValue); } } // The value is not Forever or an iteration count so it's either a TimeSpan // or we'll let the TimeSpanConverter raise the appropriate exception. TimeSpan timeSpanValue = (TimeSpan)TypeDescriptor.GetConverter(typeof(TimeSpan)).ConvertFrom(td, cultureInfo, stringValue); return new RepeatBehavior(timeSpanValue); } /// /// TypeConverter method implementation. /// /// ITypeDescriptorContext /// current culture (see CLR specs) /// value to convert from /// Type to convert to ///converted value ////// /// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for RepeatBehavior, not an arbitrary class /// [SecurityCritical] public override object ConvertTo( ITypeDescriptorContext context, CultureInfo cultureInfo, object value, Type destinationType) { if ( value is RepeatBehavior && destinationType != null) { RepeatBehavior repeatBehavior = (RepeatBehavior)value; if (destinationType == typeof(InstanceDescriptor)) { MemberInfo mi; if (repeatBehavior == RepeatBehavior.Forever) { mi = typeof(RepeatBehavior).GetProperty("Forever"); return new InstanceDescriptor(mi, null); } else if (repeatBehavior.HasCount) { mi = typeof(RepeatBehavior).GetConstructor(new Type[] { typeof(double) }); return new InstanceDescriptor(mi, new object[] { repeatBehavior.Count }); } else if (repeatBehavior.HasDuration) { mi = typeof(RepeatBehavior).GetConstructor(new Type[] { typeof(TimeSpan) }); return new InstanceDescriptor(mi, new object[] { repeatBehavior.Duration }); } else { Debug.Fail("Unknown type of RepeatBehavior passed to RepeatBehaviorConverter."); } } else if (destinationType == typeof(string)) { return repeatBehavior.InternalToString(null, cultureInfo); } } // We can't do the conversion, let the base class raise the // appropriate exception. return base.ConvertTo(context, cultureInfo, value, destinationType); } } } // 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
- _CacheStreams.cs
- ExpressionsCollectionConverter.cs
- IPipelineRuntime.cs
- UrlAuthFailedErrorFormatter.cs
- WebPartManagerInternals.cs
- XmlNode.cs
- SqlTriggerContext.cs
- ComEventsHelper.cs
- DbConnectionFactory.cs
- RegisteredArrayDeclaration.cs
- WindowsUpDown.cs
- DataGridViewDataConnection.cs
- Matrix.cs
- UserControl.cs
- PathGeometry.cs
- SqlDataReaderSmi.cs
- XmlAttributeProperties.cs
- Lasso.cs
- WindowsListViewGroupHelper.cs
- UiaCoreApi.cs
- ProtocolsSection.cs
- PolyQuadraticBezierSegment.cs
- SchemaTableOptionalColumn.cs
- messageonlyhwndwrapper.cs
- ValidatingReaderNodeData.cs
- ArrayMergeHelper.cs
- PerfCounterSection.cs
- HotSpot.cs
- ImageAutomationPeer.cs
- DocobjHost.cs
- ComponentCommands.cs
- BackStopAuthenticationModule.cs
- VirtualPathUtility.cs
- ProfileSection.cs
- BackoffTimeoutHelper.cs
- Registry.cs
- XPathPatternBuilder.cs
- ObjectManager.cs
- RuleValidation.cs
- Predicate.cs
- WsdlWriter.cs
- ClientBuildManager.cs
- UnknownBitmapEncoder.cs
- PingReply.cs
- SizeAnimation.cs
- QueryOperationResponseOfT.cs
- PathData.cs
- StrongName.cs
- WorkflowServiceAttributes.cs
- DataGridDefaultColumnWidthTypeConverter.cs
- TextViewDesigner.cs
- TdsParserStaticMethods.cs
- Schema.cs
- ETagAttribute.cs
- SchemaImporterExtensionElementCollection.cs
- mediaclock.cs
- BaseTemplateParser.cs
- GeneratedContractType.cs
- OrderByBuilder.cs
- CompilerTypeWithParams.cs
- OpenTypeLayout.cs
- HtmlInputText.cs
- ConcurrentQueue.cs
- ClientSettingsSection.cs
- HotCommands.cs
- URLString.cs
- ArcSegment.cs
- WebBrowserNavigatedEventHandler.cs
- ResourceSet.cs
- DataGridViewRowPostPaintEventArgs.cs
- Triangle.cs
- ToolboxDataAttribute.cs
- ContainerSelectorGlyph.cs
- NumberSubstitution.cs
- HttpModuleCollection.cs
- ErrorHandler.cs
- CompilerInfo.cs
- ObjectStateFormatter.cs
- FlagsAttribute.cs
- TextMarkerSource.cs
- MethodBuilder.cs
- ClickablePoint.cs
- GridViewActionList.cs
- BaseInfoTable.cs
- WCFServiceClientProxyGenerator.cs
- DirectoryObjectSecurity.cs
- ContentIterators.cs
- PieceDirectory.cs
- ISFTagAndGuidCache.cs
- PromptStyle.cs
- ReturnEventArgs.cs
- AlgoModule.cs
- ScrollableControlDesigner.cs
- VScrollBar.cs
- AudioLevelUpdatedEventArgs.cs
- XPathMultyIterator.cs
- Clause.cs
- EntityViewGenerationConstants.cs
- ControlCachePolicy.cs
- PathSegment.cs