Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / FilterableAttribute.cs / 1 / FilterableAttribute.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Web.UI { using System; using System.Collections; using System.ComponentModel; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AttributeUsage(AttributeTargets.Property | AttributeTargets.Class)] public sealed class FilterableAttribute : Attribute { ////// /// /// public static readonly FilterableAttribute Yes = new FilterableAttribute(true); ////// /// /// public static readonly FilterableAttribute No = new FilterableAttribute(false); ////// /// /// public static readonly FilterableAttribute Default = Yes; private bool _filterable = false; private static Hashtable _filterableTypes; static FilterableAttribute() { // Create a synchronized wrapper _filterableTypes = Hashtable.Synchronized(new Hashtable()); } ////// /// public FilterableAttribute(bool filterable) { _filterable = filterable; } ////// public bool Filterable { get { return _filterable; } } ///Indicates if the property is Filterable. ///public override bool Equals(object obj) { if (obj == this) { return true; } FilterableAttribute other = obj as FilterableAttribute; return (other != null) && (other.Filterable == _filterable); } /// public override int GetHashCode() { return _filterable.GetHashCode(); } /// public override bool IsDefaultAttribute() { return this.Equals(Default); } public static bool IsObjectFilterable(Object instance) { if (instance == null) throw new ArgumentNullException("instance"); return IsTypeFilterable(instance.GetType()); } public static bool IsPropertyFilterable(PropertyDescriptor propertyDescriptor) { FilterableAttribute filterableAttr = (FilterableAttribute)propertyDescriptor.Attributes[typeof(FilterableAttribute)]; if (filterableAttr != null) { return filterableAttr.Filterable; } return true; } public static bool IsTypeFilterable(Type type) { if (type == null) throw new ArgumentNullException("type"); object result = _filterableTypes[type]; if (result != null) { return (bool)result; } System.ComponentModel.AttributeCollection attrs = TypeDescriptor.GetAttributes(type); FilterableAttribute attr = (FilterableAttribute)attrs[typeof(FilterableAttribute)]; result = (attr != null) && attr.Filterable; _filterableTypes[type] = result; return (bool)result; } } } // 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
- Evidence.cs
- XPathNodeList.cs
- StylusPointPropertyId.cs
- MailWriter.cs
- WmpBitmapEncoder.cs
- BitmapSource.cs
- DockingAttribute.cs
- URLMembershipCondition.cs
- AddInAdapter.cs
- TraversalRequest.cs
- ViewKeyConstraint.cs
- PerfCounters.cs
- DoubleCollectionValueSerializer.cs
- RSAPKCS1SignatureDeformatter.cs
- mediaeventargs.cs
- CrossAppDomainChannel.cs
- MultiPropertyDescriptorGridEntry.cs
- ObjectPropertyMapping.cs
- RegisteredDisposeScript.cs
- TextFormatterImp.cs
- StrokeCollection.cs
- QuaternionIndependentAnimationStorage.cs
- XmlWhitespace.cs
- dtdvalidator.cs
- IsolationInterop.cs
- IODescriptionAttribute.cs
- CancelAsyncOperationRequest.cs
- XmlWhitespace.cs
- SafeViewOfFileHandle.cs
- RuntimeIdentifierPropertyAttribute.cs
- RoleGroup.cs
- CFStream.cs
- XPathItem.cs
- PreservationFileWriter.cs
- Label.cs
- NotConverter.cs
- ContainsRowNumberChecker.cs
- InlineUIContainer.cs
- PointAnimationBase.cs
- DescriptionAttribute.cs
- TypeNameHelper.cs
- OleDbException.cs
- DecoderFallbackWithFailureFlag.cs
- XmlNullResolver.cs
- EdmFunctionAttribute.cs
- ReferencedCollectionType.cs
- CommunicationObjectAbortedException.cs
- TextServicesCompartmentEventSink.cs
- LinkUtilities.cs
- ScriptControl.cs
- HasCopySemanticsAttribute.cs
- NumericPagerField.cs
- ProcessManager.cs
- DesignTimeDataBinding.cs
- ImageAutomationPeer.cs
- _BasicClient.cs
- DetailsViewCommandEventArgs.cs
- MenuItemStyle.cs
- NetworkInformationException.cs
- PersistNameAttribute.cs
- DecimalKeyFrameCollection.cs
- LinearKeyFrames.cs
- DropDownList.cs
- Point3DIndependentAnimationStorage.cs
- Expression.cs
- MultipleViewProviderWrapper.cs
- Sorting.cs
- PageBreakRecord.cs
- LabelEditEvent.cs
- TypeUtils.cs
- WebPartMenu.cs
- SortFieldComparer.cs
- TableLayoutRowStyleCollection.cs
- BamlBinaryWriter.cs
- StringSource.cs
- BinaryParser.cs
- UpdateTranslator.cs
- OutputWindow.cs
- MetadataPropertyvalue.cs
- CodeSubDirectoriesCollection.cs
- SqlDataReader.cs
- GiveFeedbackEventArgs.cs
- TabletCollection.cs
- PageCatalogPartDesigner.cs
- WorkflowServiceAttributesTypeConverter.cs
- UnknownBitmapEncoder.cs
- TraceXPathNavigator.cs
- ElementAction.cs
- DataTableReaderListener.cs
- TransformGroup.cs
- ObjectQueryExecutionPlan.cs
- DataRowView.cs
- UIElement3D.cs
- AttachedAnnotation.cs
- _IPv4Address.cs
- ListenUriMode.cs
- HatchBrush.cs
- AcceleratedTokenProviderState.cs
- ButtonColumn.cs
- ConnectionPoint.cs