Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Markup / StaticExtension.cs / 1 / StaticExtension.cs
/****************************************************************************\ * * File: StaticExtension.cs * * Class for Xaml markup extension for static field and property references. * * Copyright (C) 2004 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Windows; using System.Windows.Input; using System.Reflection; using MS.Utility; namespace System.Windows.Markup { ////// Class for Xaml markup extension for static field and property references. /// [TypeConverter(typeof(StaticExtensionConverter))] [MarkupExtensionReturnType(typeof(object))] public class StaticExtension : MarkupExtension { ////// Constructor that takes no parameters /// public StaticExtension() { } ////// Constructor that takes the member that this is a static reference to. /// This string is of the format /// Prefix:ClassName.FieldOrPropertyName. The Prefix is /// optional, and refers to the XML prefix in a Xaml file. /// public StaticExtension( string member) { if (member == null) { throw new ArgumentNullException("member"); } _member = member; } ////// Return an object that should be set on the targetObject's targetProperty /// for this markup extension. For a StaticExtension this is a static field /// or property value. /// /// Object that can provide services for the markup extension. ////// The object to set on this property. /// public override object ProvideValue(IServiceProvider serviceProvider) { if (_member == null) { throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionStaticMember)); } object value = null; Type type = MemberType; string fieldString = null; string memberFullName = null; if (type != null) { fieldString = _member; memberFullName = type.FullName + "." + _member; } else { memberFullName = _member; // Validate the _member int dotIndex = _member.IndexOf('.'); if (dotIndex < 0) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } // Pull out the type substring (this will include any XML prefix, e.g. "av:Button") string typeString = _member.Substring(0, dotIndex); if (typeString == string.Empty) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } // Get the IXamlTypeResolver from the service provider IXamlTypeResolver xamlTypeResolver = serviceProvider.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver; if (xamlTypeResolver == null) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionNoContext, GetType().Name, "IXamlTypeResolver")); } // Use the type resolver to get a Type instance type = xamlTypeResolver.Resolve(typeString); // Get the member name substring fieldString = _member.Substring(dotIndex + 1, _member.Length - dotIndex - 1); if (fieldString == string.Empty) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } } // Use the built-in parser for enum types if (type.IsEnum) { return Enum.Parse(type, fieldString); } // For other types, reflect bool found = false; object fieldOrProp = type.GetField(fieldString, BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Static); if (fieldOrProp == null) { fieldOrProp = type.GetProperty(fieldString, BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Static); if (fieldOrProp is PropertyInfo) { value = ((PropertyInfo)fieldOrProp).GetValue(null,null); found = true; } } else if (fieldOrProp is FieldInfo) { value = ((FieldInfo)fieldOrProp).GetValue(null); found = true; } if (found) { return value; } else { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, memberFullName)); } } ////// The static field or property represented by a string. This string is /// of the format Prefix:ClassName.FieldOrPropertyName. The Prefix is /// optional, and refers to the XML prefix in a Xaml file. /// [ConstructorArgument("member")] public string Member { get { return _member; } set { if (value == null) { throw new ArgumentNullException("value"); } _member = value; } } internal Type MemberType { get { return _memberType; } set { if (value == null) { throw new ArgumentNullException("value"); } _memberType = value; } } private string _member; private Type _memberType; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: StaticExtension.cs * * Class for Xaml markup extension for static field and property references. * * Copyright (C) 2004 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Windows; using System.Windows.Input; using System.Reflection; using MS.Utility; namespace System.Windows.Markup { ////// Class for Xaml markup extension for static field and property references. /// [TypeConverter(typeof(StaticExtensionConverter))] [MarkupExtensionReturnType(typeof(object))] public class StaticExtension : MarkupExtension { ////// Constructor that takes no parameters /// public StaticExtension() { } ////// Constructor that takes the member that this is a static reference to. /// This string is of the format /// Prefix:ClassName.FieldOrPropertyName. The Prefix is /// optional, and refers to the XML prefix in a Xaml file. /// public StaticExtension( string member) { if (member == null) { throw new ArgumentNullException("member"); } _member = member; } ////// Return an object that should be set on the targetObject's targetProperty /// for this markup extension. For a StaticExtension this is a static field /// or property value. /// /// Object that can provide services for the markup extension. ////// The object to set on this property. /// public override object ProvideValue(IServiceProvider serviceProvider) { if (_member == null) { throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionStaticMember)); } object value = null; Type type = MemberType; string fieldString = null; string memberFullName = null; if (type != null) { fieldString = _member; memberFullName = type.FullName + "." + _member; } else { memberFullName = _member; // Validate the _member int dotIndex = _member.IndexOf('.'); if (dotIndex < 0) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } // Pull out the type substring (this will include any XML prefix, e.g. "av:Button") string typeString = _member.Substring(0, dotIndex); if (typeString == string.Empty) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } // Get the IXamlTypeResolver from the service provider IXamlTypeResolver xamlTypeResolver = serviceProvider.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver; if (xamlTypeResolver == null) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionNoContext, GetType().Name, "IXamlTypeResolver")); } // Use the type resolver to get a Type instance type = xamlTypeResolver.Resolve(typeString); // Get the member name substring fieldString = _member.Substring(dotIndex + 1, _member.Length - dotIndex - 1); if (fieldString == string.Empty) { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, _member)); } } // Use the built-in parser for enum types if (type.IsEnum) { return Enum.Parse(type, fieldString); } // For other types, reflect bool found = false; object fieldOrProp = type.GetField(fieldString, BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Static); if (fieldOrProp == null) { fieldOrProp = type.GetProperty(fieldString, BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Static); if (fieldOrProp is PropertyInfo) { value = ((PropertyInfo)fieldOrProp).GetValue(null,null); found = true; } } else if (fieldOrProp is FieldInfo) { value = ((FieldInfo)fieldOrProp).GetValue(null); found = true; } if (found) { return value; } else { throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, memberFullName)); } } ////// The static field or property represented by a string. This string is /// of the format Prefix:ClassName.FieldOrPropertyName. The Prefix is /// optional, and refers to the XML prefix in a Xaml file. /// [ConstructorArgument("member")] public string Member { get { return _member; } set { if (value == null) { throw new ArgumentNullException("value"); } _member = value; } } internal Type MemberType { get { return _memberType; } set { if (value == null) { throw new ArgumentNullException("value"); } _memberType = value; } } private string _member; private Type _memberType; } } // 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
- AppDomainManager.cs
- TypeUtil.cs
- SpecialNameAttribute.cs
- IPHostEntry.cs
- RegexWriter.cs
- BooleanSwitch.cs
- AnimationException.cs
- Permission.cs
- SafeFileMapViewHandle.cs
- CapacityStreamGeometryContext.cs
- WindowCollection.cs
- DocumentViewerHelper.cs
- SharedStatics.cs
- UserControlCodeDomTreeGenerator.cs
- HtmlButton.cs
- RijndaelManaged.cs
- RunInstallerAttribute.cs
- StateMachineAction.cs
- ConnectionDemuxer.cs
- TextRunTypographyProperties.cs
- XNodeNavigator.cs
- PolicyUnit.cs
- Int32AnimationUsingKeyFrames.cs
- AutomationProperties.cs
- ServiceOperationViewControl.cs
- InvalidOleVariantTypeException.cs
- WpfPayload.cs
- StateChangeEvent.cs
- TextLine.cs
- propertyentry.cs
- CacheManager.cs
- QuaternionValueSerializer.cs
- TrackingLocationCollection.cs
- EmptyElement.cs
- FontSourceCollection.cs
- PropertyValueChangedEvent.cs
- XmlText.cs
- SchemaExporter.cs
- WebColorConverter.cs
- Message.cs
- WindowsClaimSet.cs
- CodeNamespaceImportCollection.cs
- HttpTransportManager.cs
- SafeProcessHandle.cs
- PasswordPropertyTextAttribute.cs
- PipeSecurity.cs
- WithParamAction.cs
- EdmError.cs
- RequestCache.cs
- StrokeNodeOperations.cs
- DbParameterCollectionHelper.cs
- ToolStripItemClickedEventArgs.cs
- ListItemCollection.cs
- FindResponse.cs
- FullTrustAssembliesSection.cs
- TextTreePropertyUndoUnit.cs
- AttachedPropertyBrowsableAttribute.cs
- HelpKeywordAttribute.cs
- NativeBuffer.cs
- CultureData.cs
- CompiledELinqQueryState.cs
- AspCompat.cs
- PackageRelationshipCollection.cs
- ModelVisual3D.cs
- ObjectQuery.cs
- RenderData.cs
- TagMapInfo.cs
- GenericPrincipal.cs
- FormsAuthenticationUserCollection.cs
- RelationshipEndCollection.cs
- MemberRelationshipService.cs
- GuidelineSet.cs
- ApplicationSettingsBase.cs
- MetaTable.cs
- SqlMethodAttribute.cs
- XsdDateTime.cs
- ObjectDataSourceEventArgs.cs
- BooleanProjectedSlot.cs
- PermissionSet.cs
- DrawToolTipEventArgs.cs
- TextAdaptor.cs
- ArithmeticException.cs
- VisualStates.cs
- SQLInt64.cs
- SafeBitVector32.cs
- ServiceModelSectionGroup.cs
- ElementsClipboardData.cs
- CatalogZone.cs
- xdrvalidator.cs
- CollectionViewGroupInternal.cs
- SelectManyQueryOperator.cs
- IDispatchConstantAttribute.cs
- WebPartRestoreVerb.cs
- SystemColors.cs
- EnumUnknown.cs
- InputGestureCollection.cs
- RootContext.cs
- DataServiceBuildProvider.cs
- WebPartConnectionsConfigureVerb.cs
- IntPtr.cs