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
- CommonGetThemePartSize.cs
- MetadataCache.cs
- ListDictionary.cs
- Tracking.cs
- KeyValueConfigurationElement.cs
- SafeNativeMethods.cs
- ErrorFormatter.cs
- SrgsRulesCollection.cs
- WebPartDescriptionCollection.cs
- Misc.cs
- PathSegmentCollection.cs
- ToolboxItem.cs
- HttpInputStream.cs
- XsltArgumentList.cs
- ValueTable.cs
- Visual.cs
- XmlSchemaComplexType.cs
- RootBrowserWindowProxy.cs
- UIntPtr.cs
- BaseTemplateCodeDomTreeGenerator.cs
- XmlComment.cs
- NullableDecimalMinMaxAggregationOperator.cs
- AsyncCodeActivity.cs
- AesCryptoServiceProvider.cs
- ScopedMessagePartSpecification.cs
- DoubleLinkListEnumerator.cs
- TextBoxLine.cs
- MessageQueueTransaction.cs
- SmiXetterAccessMap.cs
- SecurityContext.cs
- DbMetaDataFactory.cs
- Table.cs
- AsmxEndpointPickerExtension.cs
- HttpContext.cs
- TransportSecurityProtocol.cs
- XmlILTrace.cs
- DoWorkEventArgs.cs
- Collection.cs
- CheckStoreFileValidityRequest.cs
- LayoutInformation.cs
- C14NUtil.cs
- InputBinding.cs
- SafeProcessHandle.cs
- HiddenField.cs
- StorageAssociationSetMapping.cs
- StyleSheetComponentEditor.cs
- DbProviderConfigurationHandler.cs
- DirtyTextRange.cs
- UpdateRecord.cs
- CmsUtils.cs
- dataprotectionpermission.cs
- ViewValidator.cs
- WinEventQueueItem.cs
- SmtpLoginAuthenticationModule.cs
- KeyedCollection.cs
- RequestBringIntoViewEventArgs.cs
- MDIWindowDialog.cs
- WindowsStatusBar.cs
- NetMsmqBinding.cs
- Size.cs
- KeyTime.cs
- httpstaticobjectscollection.cs
- BitmapCacheBrush.cs
- NetworkInformationException.cs
- SystemIPv4InterfaceProperties.cs
- DataBinder.cs
- HebrewNumber.cs
- WebServicesSection.cs
- RelationHandler.cs
- RepeatInfo.cs
- TextServicesProperty.cs
- LeafCellTreeNode.cs
- PngBitmapEncoder.cs
- unsafenativemethodsother.cs
- SignatureResourcePool.cs
- ScriptBehaviorDescriptor.cs
- FixedSOMLineCollection.cs
- FormViewInsertedEventArgs.cs
- ScriptingWebServicesSectionGroup.cs
- DataTemplateSelector.cs
- TerminateDesigner.cs
- UrlMapping.cs
- CodeSubDirectoriesCollection.cs
- StorageInfo.cs
- WebPartTransformer.cs
- BufferAllocator.cs
- EastAsianLunisolarCalendar.cs
- _UriTypeConverter.cs
- FlowchartSizeFeature.cs
- Membership.cs
- SettingsAttributes.cs
- ISO2022Encoding.cs
- GradientBrush.cs
- RecognizerStateChangedEventArgs.cs
- BlobPersonalizationState.cs
- UserControl.cs
- _IPv6Address.cs
- Rect3D.cs
- RuntimeConfigLKG.cs
- OneWayBindingElementImporter.cs