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
- TaskResultSetter.cs
- OleDbEnumerator.cs
- LocatorPart.cs
- Misc.cs
- ObservableCollection.cs
- XsltCompileContext.cs
- AttributeData.cs
- EmptyControlCollection.cs
- Italic.cs
- DataGridViewLayoutData.cs
- SafeSecurityHelper.cs
- DataListItemCollection.cs
- Attributes.cs
- EncoderParameter.cs
- StyleCollection.cs
- Policy.cs
- HtmlWindow.cs
- ResourceReader.cs
- httpapplicationstate.cs
- ProfilePropertySettings.cs
- ToolboxItemFilterAttribute.cs
- HashHelper.cs
- UpDownEvent.cs
- DocumentPaginator.cs
- CipherData.cs
- InvalidOleVariantTypeException.cs
- ThumbAutomationPeer.cs
- ValidationResult.cs
- OleDbWrapper.cs
- filewebrequest.cs
- ServiceManager.cs
- DoubleAnimationUsingPath.cs
- EntityDataSourceView.cs
- WebPartDisplayModeEventArgs.cs
- SqlGatherConsumedAliases.cs
- XslException.cs
- InvalidFilterCriteriaException.cs
- OciLobLocator.cs
- FixedTextSelectionProcessor.cs
- HelloOperationAsyncResult.cs
- RadioButtonAutomationPeer.cs
- AsyncCompletedEventArgs.cs
- Main.cs
- WebPartTransformerAttribute.cs
- NodeCounter.cs
- BindingList.cs
- DocumentOrderComparer.cs
- SqlRetyper.cs
- WSTrust.cs
- StylusCaptureWithinProperty.cs
- BaseCAMarshaler.cs
- _CacheStreams.cs
- NegationPusher.cs
- PathFigure.cs
- IChannel.cs
- MasterPage.cs
- DefaultValueTypeConverter.cs
- ListViewSelectEventArgs.cs
- ResourceReader.cs
- XmlAnyElementAttributes.cs
- CategoryAttribute.cs
- MappedMetaModel.cs
- LinearGradientBrush.cs
- ReverseComparer.cs
- ExpressionDumper.cs
- LabelEditEvent.cs
- GridViewUpdateEventArgs.cs
- _MultipleConnectAsync.cs
- MeshGeometry3D.cs
- ServiceModelEnumValidator.cs
- XPathAncestorIterator.cs
- Rect3DConverter.cs
- ServiceModelSecurityTokenRequirement.cs
- InvalidProgramException.cs
- DbConnectionInternal.cs
- StringResourceManager.cs
- DataQuery.cs
- FusionWrap.cs
- DataGridCaption.cs
- MimeParameterWriter.cs
- HttpChannelBindingToken.cs
- BCryptNative.cs
- WindowsContainer.cs
- OpenTypeLayout.cs
- StreamReader.cs
- SimpleModelProvider.cs
- MetafileEditor.cs
- QilCloneVisitor.cs
- Tokenizer.cs
- ServiceEndpoint.cs
- ContainerParagraph.cs
- ListBoxItem.cs
- BamlBinaryWriter.cs
- RenameRuleObjectDialog.cs
- SimpleHandlerBuildProvider.cs
- ChannelManager.cs
- VirtualizedItemProviderWrapper.cs
- BitmapPalettes.cs
- MediaPlayer.cs
- StoryFragments.cs