Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CompMod / System / ComponentModel / ExtendedPropertyDescriptor.cs / 1 / ExtendedPropertyDescriptor.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System; using System.Collections; using System.ComponentModel.Design; using System.Diagnostics; using System.Security.Permissions; ////// /// [HostProtection(SharedState = true)] internal sealed class ExtendedPropertyDescriptor : PropertyDescriptor { private readonly ReflectPropertyDescriptor extenderInfo; // the extender property private readonly IExtenderProvider provider; // the guy providing it ////// This class wraps an PropertyDescriptor with something that looks like a property. It /// allows you to treat extended properties the same as regular properties. /// ////// Creates a new extended property info. Callers can then treat this as /// a standard property. /// public ExtendedPropertyDescriptor(ReflectPropertyDescriptor extenderInfo, Type receiverType, IExtenderProvider provider, Attribute[] attributes) : base(extenderInfo, attributes) { Debug.Assert(extenderInfo != null, "ExtendedPropertyDescriptor must have extenderInfo"); Debug.Assert(provider != null, "ExtendedPropertyDescriptor must have provider"); ArrayList attrList = new ArrayList(AttributeArray); attrList.Add(ExtenderProvidedPropertyAttribute.Create(extenderInfo, receiverType, provider)); if (extenderInfo.IsReadOnly) { attrList.Add(ReadOnlyAttribute.Yes); } Attribute[] temp = new Attribute[attrList.Count]; attrList.CopyTo(temp, 0); AttributeArray = temp; this.extenderInfo = extenderInfo; this.provider = provider; } public ExtendedPropertyDescriptor(PropertyDescriptor extender, Attribute[] attributes) : base(extender, attributes) { Debug.Assert(extender != null, "The original PropertyDescriptor must be non-null"); ExtenderProvidedPropertyAttribute attr = extender.Attributes[typeof(ExtenderProvidedPropertyAttribute)] as ExtenderProvidedPropertyAttribute; Debug.Assert(attr != null, "The original PropertyDescriptor does not have an ExtenderProvidedPropertyAttribute"); ReflectPropertyDescriptor reflectDesc = attr.ExtenderProperty as ReflectPropertyDescriptor; Debug.Assert(reflectDesc != null, "The original PropertyDescriptor has an invalid ExtenderProperty"); this.extenderInfo = reflectDesc; this.provider = attr.Provider; } ////// Determines if the the component will allow its value to be reset. /// public override bool CanResetValue(object comp) { return extenderInfo.ExtenderCanResetValue(provider, comp); } ////// Retrieves the type of the component this PropertyDescriptor is bound to. /// public override Type ComponentType { get { return extenderInfo.ComponentType; } } ////// Determines if the property can be written to. /// public override bool IsReadOnly { get { return Attributes[typeof(ReadOnlyAttribute)].Equals(ReadOnlyAttribute.Yes); } } ////// Retrieves the data type of the property. /// public override Type PropertyType { get { return extenderInfo.ExtenderGetType(provider); } } ////// Retrieves the display name of the property. This is the name that will /// be displayed in a properties window. This will be the same as the property /// name for most properties. /// public override string DisplayName { get { string name = base.DisplayName; DisplayNameAttribute displayNameAttr = Attributes[typeof(DisplayNameAttribute)] as DisplayNameAttribute; if (displayNameAttr == null || displayNameAttr.IsDefaultAttribute()) { ISite site = GetSite(provider); if (site != null) { string providerName = site.Name; if (providerName != null && providerName.Length > 0) { name = SR.GetString(SR.MetaExtenderName, name, providerName); } } } return name; } } ////// Retrieves the value of the property for the given component. This will /// throw an exception if the component does not have this property. /// public override object GetValue(object comp) { return extenderInfo.ExtenderGetValue(provider, comp); } ////// Resets the value of this property on comp to the default value. /// public override void ResetValue(object comp) { extenderInfo.ExtenderResetValue(provider, comp, this); } ////// Sets the value of this property on the given component. /// public override void SetValue(object component, object value) { extenderInfo.ExtenderSetValue(provider, component, value, this); } ////// Determines if this property should be persisted. A property is /// to be persisted if it is marked as persistable through a /// PersistableAttribute, and if the property contains something other /// than the default value. Note, however, that this method will /// return true for design time properties as well, so callers /// should also check to see if a property is design time only before /// persisting to runtime storage. /// public override bool ShouldSerializeValue(object comp) { return extenderInfo.ExtenderShouldSerializeValue(provider, comp); } /* The following code has been removed to fix FXCOP violations. The code is left here incase it needs to be resurrected in the future. ////// Creates a new extended property info. Callers can then treat this as /// a standard property. /// public ExtendedPropertyDescriptor(ReflectPropertyDescriptor extenderInfo, Type receiverType, IExtenderProvider provider) : this(extenderInfo, receiverType, provider, null) { } ////// Retrieves the object that is providing this extending property. /// public IExtenderProvider Provider { get { return provider; } } */ } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System; using System.Collections; using System.ComponentModel.Design; using System.Diagnostics; using System.Security.Permissions; ////// /// [HostProtection(SharedState = true)] internal sealed class ExtendedPropertyDescriptor : PropertyDescriptor { private readonly ReflectPropertyDescriptor extenderInfo; // the extender property private readonly IExtenderProvider provider; // the guy providing it ////// This class wraps an PropertyDescriptor with something that looks like a property. It /// allows you to treat extended properties the same as regular properties. /// ////// Creates a new extended property info. Callers can then treat this as /// a standard property. /// public ExtendedPropertyDescriptor(ReflectPropertyDescriptor extenderInfo, Type receiverType, IExtenderProvider provider, Attribute[] attributes) : base(extenderInfo, attributes) { Debug.Assert(extenderInfo != null, "ExtendedPropertyDescriptor must have extenderInfo"); Debug.Assert(provider != null, "ExtendedPropertyDescriptor must have provider"); ArrayList attrList = new ArrayList(AttributeArray); attrList.Add(ExtenderProvidedPropertyAttribute.Create(extenderInfo, receiverType, provider)); if (extenderInfo.IsReadOnly) { attrList.Add(ReadOnlyAttribute.Yes); } Attribute[] temp = new Attribute[attrList.Count]; attrList.CopyTo(temp, 0); AttributeArray = temp; this.extenderInfo = extenderInfo; this.provider = provider; } public ExtendedPropertyDescriptor(PropertyDescriptor extender, Attribute[] attributes) : base(extender, attributes) { Debug.Assert(extender != null, "The original PropertyDescriptor must be non-null"); ExtenderProvidedPropertyAttribute attr = extender.Attributes[typeof(ExtenderProvidedPropertyAttribute)] as ExtenderProvidedPropertyAttribute; Debug.Assert(attr != null, "The original PropertyDescriptor does not have an ExtenderProvidedPropertyAttribute"); ReflectPropertyDescriptor reflectDesc = attr.ExtenderProperty as ReflectPropertyDescriptor; Debug.Assert(reflectDesc != null, "The original PropertyDescriptor has an invalid ExtenderProperty"); this.extenderInfo = reflectDesc; this.provider = attr.Provider; } ////// Determines if the the component will allow its value to be reset. /// public override bool CanResetValue(object comp) { return extenderInfo.ExtenderCanResetValue(provider, comp); } ////// Retrieves the type of the component this PropertyDescriptor is bound to. /// public override Type ComponentType { get { return extenderInfo.ComponentType; } } ////// Determines if the property can be written to. /// public override bool IsReadOnly { get { return Attributes[typeof(ReadOnlyAttribute)].Equals(ReadOnlyAttribute.Yes); } } ////// Retrieves the data type of the property. /// public override Type PropertyType { get { return extenderInfo.ExtenderGetType(provider); } } ////// Retrieves the display name of the property. This is the name that will /// be displayed in a properties window. This will be the same as the property /// name for most properties. /// public override string DisplayName { get { string name = base.DisplayName; DisplayNameAttribute displayNameAttr = Attributes[typeof(DisplayNameAttribute)] as DisplayNameAttribute; if (displayNameAttr == null || displayNameAttr.IsDefaultAttribute()) { ISite site = GetSite(provider); if (site != null) { string providerName = site.Name; if (providerName != null && providerName.Length > 0) { name = SR.GetString(SR.MetaExtenderName, name, providerName); } } } return name; } } ////// Retrieves the value of the property for the given component. This will /// throw an exception if the component does not have this property. /// public override object GetValue(object comp) { return extenderInfo.ExtenderGetValue(provider, comp); } ////// Resets the value of this property on comp to the default value. /// public override void ResetValue(object comp) { extenderInfo.ExtenderResetValue(provider, comp, this); } ////// Sets the value of this property on the given component. /// public override void SetValue(object component, object value) { extenderInfo.ExtenderSetValue(provider, component, value, this); } ////// Determines if this property should be persisted. A property is /// to be persisted if it is marked as persistable through a /// PersistableAttribute, and if the property contains something other /// than the default value. Note, however, that this method will /// return true for design time properties as well, so callers /// should also check to see if a property is design time only before /// persisting to runtime storage. /// public override bool ShouldSerializeValue(object comp) { return extenderInfo.ExtenderShouldSerializeValue(provider, comp); } /* The following code has been removed to fix FXCOP violations. The code is left here incase it needs to be resurrected in the future. ////// Creates a new extended property info. Callers can then treat this as /// a standard property. /// public ExtendedPropertyDescriptor(ReflectPropertyDescriptor extenderInfo, Type receiverType, IExtenderProvider provider) : this(extenderInfo, receiverType, provider, null) { } ////// Retrieves the object that is providing this extending property. /// public IExtenderProvider Provider { get { return provider; } } */ } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ResourceWriter.cs
- ProviderException.cs
- AttachedAnnotation.cs
- SqlBuilder.cs
- BamlBinaryWriter.cs
- TranslateTransform.cs
- TableParaClient.cs
- BufferedStream.cs
- HttpListenerRequest.cs
- DataList.cs
- DataServiceQuery.cs
- CommandBinding.cs
- SearchForVirtualItemEventArgs.cs
- SoapFormatter.cs
- BuildProviderUtils.cs
- SchemaImporterExtension.cs
- TouchesCapturedWithinProperty.cs
- DispatcherSynchronizationContext.cs
- SamlConstants.cs
- XhtmlConformanceSection.cs
- ZoneLinkButton.cs
- DnsPermission.cs
- XPathSingletonIterator.cs
- GregorianCalendar.cs
- HelpInfo.cs
- MenuItemCollectionEditorDialog.cs
- NameNode.cs
- MembershipValidatePasswordEventArgs.cs
- ValidationPropertyAttribute.cs
- MaskDesignerDialog.cs
- PerfService.cs
- DesignerCategoryAttribute.cs
- DataTablePropertyDescriptor.cs
- MenuItem.cs
- XmlNodeWriter.cs
- ModelItem.cs
- GridEntry.cs
- SizeFConverter.cs
- Help.cs
- DecoderFallback.cs
- ReflectionHelper.cs
- LinearGradientBrush.cs
- CqlIdentifiers.cs
- UnsafeNativeMethods.cs
- TextTreeObjectNode.cs
- UpdateException.cs
- CRYPTPROTECT_PROMPTSTRUCT.cs
- WaitHandleCannotBeOpenedException.cs
- DeflateStream.cs
- CodeObject.cs
- AggregateException.cs
- DesignTimeValidationFeature.cs
- CompositeScriptReferenceEventArgs.cs
- Argument.cs
- QilTypeChecker.cs
- HatchBrush.cs
- MouseButton.cs
- Compiler.cs
- ControlCommandSet.cs
- ProtectedConfigurationSection.cs
- SmiMetaDataProperty.cs
- ReadOnlyTernaryTree.cs
- NoResizeHandleGlyph.cs
- _ChunkParse.cs
- ApplicationServicesHostFactory.cs
- WebHeaderCollection.cs
- SortedList.cs
- HtmlToClrEventProxy.cs
- FieldAccessException.cs
- _emptywebproxy.cs
- ConfigViewGenerator.cs
- NullableConverter.cs
- ImportCatalogPart.cs
- AsyncPostBackTrigger.cs
- MemberRelationshipService.cs
- Rect3DValueSerializer.cs
- FrugalList.cs
- ReadOnlyDictionary.cs
- ApplicationBuildProvider.cs
- DeploymentSection.cs
- WebPartTransformer.cs
- ResourceDisplayNameAttribute.cs
- TypeLoadException.cs
- ObjectDataSourceStatusEventArgs.cs
- BindUriHelper.cs
- PropertyEmitterBase.cs
- Converter.cs
- BinaryParser.cs
- DateTimeFormat.cs
- Utils.cs
- DetailsViewRowCollection.cs
- SoapFault.cs
- XsdBuildProvider.cs
- ActivityExecutorOperation.cs
- CodeDirectoryCompiler.cs
- ToolStripSplitStackLayout.cs
- LocalBuilder.cs
- Control.cs
- EventItfInfo.cs
- TemplateBindingExpressionConverter.cs