Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Animation / KeyTimeConverter.cs / 1305600 / KeyTimeConverter.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001-2003 // // File: KeyTimeConverter.cs //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Windows.Media.Animation; using System.Security; namespace System.Windows { ////// /// public class KeyTimeConverter : TypeConverter { #region Data private static char[] _percentCharacter = new char[] { '%' }; #endregion ////// Returns whether or not this class can convert from a given type /// to an instance of a KeyTime. /// public override bool CanConvertFrom( ITypeDescriptorContext typeDescriptorContext, Type type) { if (type == typeof(string)) { return true; } else { return base.CanConvertFrom( typeDescriptorContext, type); } } ////// Returns whether or not this class can convert from an instance of a /// KeyTime to a given type. /// public override bool CanConvertTo( ITypeDescriptorContext typeDescriptorContext, Type type) { if ( type == typeof(InstanceDescriptor) || type == typeof(string)) { return true; } else { return base.CanConvertTo( typeDescriptorContext, type); } } ////// /// public override object ConvertFrom( ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value) { string stringValue = value as string; if (stringValue != null) { stringValue = stringValue.Trim(); if (stringValue == "Uniform") { return KeyTime.Uniform; } else if (stringValue == "Paced") { return KeyTime.Paced; } else if (stringValue[stringValue.Length - 1] == _percentCharacter[0]) { stringValue = stringValue.TrimEnd(_percentCharacter); double doubleValue = (double)TypeDescriptor.GetConverter( typeof(double)).ConvertFrom( typeDescriptorContext, cultureInfo, stringValue); if (doubleValue == 0.0) { return KeyTime.FromPercent(0.0); } else if (doubleValue == 100.0) { return KeyTime.FromPercent(1.0); } else { return KeyTime.FromPercent(doubleValue / 100.0); } } else { TimeSpan timeSpanValue = (TimeSpan)TypeDescriptor.GetConverter( typeof(TimeSpan)).ConvertFrom( typeDescriptorContext, cultureInfo, stringValue); return KeyTime.FromTimeSpan(timeSpanValue); } } return base.ConvertFrom( typeDescriptorContext, cultureInfo, value); } ////// /// ////// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for KeyTime, not an arbitrary class /// [SecurityCritical] public override object ConvertTo( ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value, Type destinationType) { if ( value != null && value is KeyTime) { KeyTime keyTime = (KeyTime)value; if (destinationType == typeof(InstanceDescriptor)) { MemberInfo mi; switch (keyTime.Type) { case KeyTimeType.Percent: mi = typeof(KeyTime).GetMethod("FromPercent", new Type[] { typeof(double) }); return new InstanceDescriptor(mi, new object[] { keyTime.Percent }); case KeyTimeType.TimeSpan: mi = typeof(KeyTime).GetMethod("FromTimeSpan", new Type[] { typeof(TimeSpan) }); return new InstanceDescriptor(mi, new object[] { keyTime.TimeSpan }); case KeyTimeType.Uniform: mi = typeof(KeyTime).GetProperty("Uniform"); return new InstanceDescriptor(mi, null); case KeyTimeType.Paced: mi = typeof(KeyTime).GetProperty("Paced"); return new InstanceDescriptor(mi, null); } } else if (destinationType == typeof(String)) { switch (keyTime.Type) { case KeyTimeType.Uniform: return "Uniform"; case KeyTimeType.Paced: return "Paced"; case KeyTimeType.Percent: string returnValue = (string)TypeDescriptor.GetConverter( typeof(Double)).ConvertTo( typeDescriptorContext, cultureInfo, keyTime.Percent * 100.0, destinationType); return returnValue + _percentCharacter[0].ToString(); case KeyTimeType.TimeSpan: return TypeDescriptor.GetConverter( typeof(TimeSpan)).ConvertTo( typeDescriptorContext, cultureInfo, keyTime.TimeSpan, destinationType); } } } return base.ConvertTo( typeDescriptorContext, 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
- DetailsViewInsertedEventArgs.cs
- ResourceDescriptionAttribute.cs
- Permission.cs
- Grid.cs
- TraceProvider.cs
- TextEditorParagraphs.cs
- GridView.cs
- FormViewPageEventArgs.cs
- XPathCompileException.cs
- StyleConverter.cs
- LogSwitch.cs
- LeftCellWrapper.cs
- followingquery.cs
- XslCompiledTransform.cs
- FixedSOMGroup.cs
- InnerItemCollectionView.cs
- ByteAnimationUsingKeyFrames.cs
- ComponentRenameEvent.cs
- AmbiguousMatchException.cs
- ParagraphResult.cs
- ToolStripContentPanelRenderEventArgs.cs
- HtmlInputRadioButton.cs
- WebControlAdapter.cs
- DoubleSumAggregationOperator.cs
- CodeAccessPermission.cs
- FlowLayout.cs
- DataGridSortCommandEventArgs.cs
- BitVec.cs
- InkPresenterAutomationPeer.cs
- CodeDirectoryCompiler.cs
- ToolStripCustomTypeDescriptor.cs
- BlurEffect.cs
- TableCellsCollectionEditor.cs
- TextBlock.cs
- mansign.cs
- _LazyAsyncResult.cs
- MinimizableAttributeTypeConverter.cs
- PathGeometry.cs
- ContentPosition.cs
- RequestChannel.cs
- AssociationSetMetadata.cs
- PrintPreviewDialog.cs
- TreeNodeConverter.cs
- XmlnsCompatibleWithAttribute.cs
- SessionStateContainer.cs
- SimpleLine.cs
- DBAsyncResult.cs
- TransactionScopeDesigner.cs
- SoapWriter.cs
- Command.cs
- Application.cs
- ImageDrawing.cs
- StringFreezingAttribute.cs
- HtmlInputButton.cs
- ConnectionInterfaceCollection.cs
- InheritanceContextChangedEventManager.cs
- GridViewCancelEditEventArgs.cs
- Button.cs
- PartialCachingAttribute.cs
- RegionData.cs
- DictionaryManager.cs
- EntityConnection.cs
- EdmItemCollection.cs
- DataBindingCollectionConverter.cs
- XmlSequenceWriter.cs
- DecoratedNameAttribute.cs
- FunctionDefinition.cs
- CompilationRelaxations.cs
- RouteParameter.cs
- TempFiles.cs
- MemoryMappedView.cs
- SystemIPInterfaceProperties.cs
- AdornerPresentationContext.cs
- BindingListCollectionView.cs
- DefinitionBase.cs
- SyndicationFeed.cs
- ThreadStartException.cs
- StylusPointPropertyId.cs
- SqlDataSourceStatusEventArgs.cs
- ReceiveSecurityHeader.cs
- mediaeventshelper.cs
- WeakHashtable.cs
- PrePrepareMethodAttribute.cs
- IdSpace.cs
- OperationResponse.cs
- ProfilePropertySettings.cs
- GridViewDeletedEventArgs.cs
- UniformGrid.cs
- DataRowView.cs
- SimpleRecyclingCache.cs
- XmlSchemaInclude.cs
- LocalizableResourceBuilder.cs
- MessageSecurityOverTcp.cs
- NameValueCollection.cs
- UnsafeNativeMethods.cs
- SoapAttributeAttribute.cs
- ParsedAttributeCollection.cs
- MediaCommands.cs
- PartitionResolver.cs
- RC2.cs