Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / 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; } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- InstanceKeyCompleteException.cs
- ImageEditor.cs
- TextDocumentView.cs
- InfoCardProofToken.cs
- ConditionChanges.cs
- XmlCharType.cs
- SelectionItemProviderWrapper.cs
- ContainerUtilities.cs
- ViewPort3D.cs
- versioninfo.cs
- BitmapEffect.cs
- CodeSnippetExpression.cs
- EventMappingSettingsCollection.cs
- TextBox.cs
- DashStyle.cs
- TextComposition.cs
- SafeHandles.cs
- SchemaInfo.cs
- TypeElementCollection.cs
- FontWeight.cs
- UnionExpr.cs
- ReservationCollection.cs
- DiscoveryViaBehavior.cs
- EnumValAlphaComparer.cs
- IsolatedStorageFilePermission.cs
- XsltInput.cs
- HttpDebugHandler.cs
- CounterSample.cs
- TextFindEngine.cs
- TransformedBitmap.cs
- OracleParameter.cs
- WebContext.cs
- DesignerActionList.cs
- loginstatus.cs
- SpotLight.cs
- MenuItemStyle.cs
- CodeMemberField.cs
- DesignerImageAdapter.cs
- TrackPoint.cs
- LocatorManager.cs
- PipelineModuleStepContainer.cs
- ReaderWriterLock.cs
- ExtensibleClassFactory.cs
- ScopeCompiler.cs
- XsltConvert.cs
- PointConverter.cs
- Color.cs
- TransformValueSerializer.cs
- Debug.cs
- XmlIterators.cs
- OleDbTransaction.cs
- Expressions.cs
- BitmapEffectGroup.cs
- Int16AnimationUsingKeyFrames.cs
- BoundColumn.cs
- MediaPlayerState.cs
- Win32.cs
- QilValidationVisitor.cs
- EntityEntry.cs
- CharacterBufferReference.cs
- EntityUtil.cs
- TableItemPatternIdentifiers.cs
- codemethodreferenceexpression.cs
- ResourceReferenceExpression.cs
- RootDesignerSerializerAttribute.cs
- SystemTcpStatistics.cs
- BindingListCollectionView.cs
- BamlTreeNode.cs
- ObjectViewEntityCollectionData.cs
- DefaultMergeHelper.cs
- StylusButtonCollection.cs
- basenumberconverter.cs
- PropertyGridCommands.cs
- InvokePatternIdentifiers.cs
- DiffuseMaterial.cs
- XmlnsPrefixAttribute.cs
- XPathScanner.cs
- SingleObjectCollection.cs
- ProcessProtocolHandler.cs
- AbandonedMutexException.cs
- _BufferOffsetSize.cs
- SqlFunctionAttribute.cs
- SafeViewOfFileHandle.cs
- CompiledELinqQueryState.cs
- ActivityScheduledRecord.cs
- NotifyCollectionChangedEventArgs.cs
- SynchronizedDispatch.cs
- dataprotectionpermission.cs
- AdvancedBindingEditor.cs
- InkCanvasSelection.cs
- Resources.Designer.cs
- CommonGetThemePartSize.cs
- TagMapCollection.cs
- ListViewSortEventArgs.cs
- SqlDataAdapter.cs
- SatelliteContractVersionAttribute.cs
- DataKey.cs
- TagPrefixInfo.cs
- SQLBoolean.cs
- GenericAuthenticationEventArgs.cs