Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / ExpressionBindingCollection.cs / 1 / ExpressionBindingCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.ComponentModel.Design; using System.Data; using System.Web.Util; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class ExpressionBindingCollection : ICollection { private EventHandler changedEvent; private Hashtable bindings; private Hashtable removedBindings; ////// public ExpressionBindingCollection() { this.bindings = new Hashtable(StringComparer.OrdinalIgnoreCase); } ////// public int Count { get { return bindings.Count; } } ////// public bool IsReadOnly { get { return false; } } ////// public bool IsSynchronized { get { return false; } } ////// public ICollection RemovedBindings { get { int bindingCount = 0; ICollection keys = null; if (removedBindings != null) { keys = removedBindings.Keys; bindingCount = keys.Count; string[] removedNames = new string[bindingCount]; int i = 0; foreach (string s in keys) { removedNames[i++] = s; } removedBindings.Clear(); return removedNames; } else { return new string[0]; } } } ////// private Hashtable RemovedBindingsTable { get { if (removedBindings == null) { removedBindings = new Hashtable(StringComparer.OrdinalIgnoreCase); } return removedBindings; } } ////// public object SyncRoot { get { return this; } } ////// public ExpressionBinding this[string propertyName] { get { object o = bindings[propertyName]; if (o != null) return(ExpressionBinding)o; return null; } } public event EventHandler Changed { add { changedEvent = (EventHandler)Delegate.Combine(changedEvent, value); } remove { changedEvent = (EventHandler)Delegate.Remove(changedEvent, value); } } ////// public void Add(ExpressionBinding binding) { bindings[binding.PropertyName] = binding; RemovedBindingsTable.Remove(binding.PropertyName); OnChanged(); } ////// public bool Contains(string propName) { return bindings.Contains(propName); } ////// public void Clear() { ICollection keys = bindings.Keys; if ((keys.Count != 0) && (removedBindings == null)) { // ensure the removedBindings hashtable is created Hashtable h = RemovedBindingsTable; } foreach (string s in keys) { removedBindings[s] = String.Empty; } bindings.Clear(); OnChanged(); } ////// public void CopyTo(Array array, int index) { for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } ////// public void CopyTo(ExpressionBinding[] array, int index) { for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } ////// public IEnumerator GetEnumerator() { return bindings.Values.GetEnumerator(); } private void OnChanged() { if (changedEvent != null) { changedEvent(this, EventArgs.Empty); } } ////// public void Remove(string propertyName) { Remove(propertyName, true); } ////// public void Remove(ExpressionBinding binding) { Remove(binding.PropertyName, true); } ////// public void Remove(string propertyName, bool addToRemovedList) { if (Contains(propertyName)) { if (addToRemovedList && bindings.Contains(propertyName)) { RemovedBindingsTable[propertyName] = String.Empty; } bindings.Remove(propertyName); OnChanged(); } } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- StandardOleMarshalObject.cs
- CodeCatchClauseCollection.cs
- InvalidCastException.cs
- GeneralTransformGroup.cs
- UnsafeNativeMethodsCLR.cs
- CodeCastExpression.cs
- LineServicesRun.cs
- TextBoxAutomationPeer.cs
- FileSystemWatcher.cs
- GridViewSelectEventArgs.cs
- TargetFrameworkUtil.cs
- CmsInterop.cs
- DataControlField.cs
- OptionalMessageQuery.cs
- PageThemeBuildProvider.cs
- WebPartTransformerAttribute.cs
- AspProxy.cs
- AssemblySettingAttributes.cs
- SQLInt32.cs
- KnownTypes.cs
- MsmqHostedTransportConfiguration.cs
- DataGridViewAdvancedBorderStyle.cs
- CaseInsensitiveHashCodeProvider.cs
- TimelineGroup.cs
- HtmlInputFile.cs
- Expressions.cs
- CodePropertyReferenceExpression.cs
- XmlSchemaSimpleTypeUnion.cs
- ConfigPathUtility.cs
- ExpressionBuilderContext.cs
- EntryWrittenEventArgs.cs
- CodeExporter.cs
- AppSettingsExpressionBuilder.cs
- MasterPage.cs
- UiaCoreApi.cs
- NetStream.cs
- LoginName.cs
- AttachedPropertyBrowsableAttribute.cs
- Point3DCollection.cs
- WebPartTransformer.cs
- TextBox.cs
- StrokeIntersection.cs
- FontWeights.cs
- PolyBezierSegment.cs
- FormClosingEvent.cs
- OdbcReferenceCollection.cs
- SourceChangedEventArgs.cs
- oledbmetadatacolumnnames.cs
- CompiledXpathExpr.cs
- InteropBitmapSource.cs
- EngineSite.cs
- MergeFilterQuery.cs
- CodeExpressionCollection.cs
- SignatureHelper.cs
- ReadWriteControlDesigner.cs
- MetadataArtifactLoader.cs
- AppDomainAttributes.cs
- MarkupCompiler.cs
- ClientSettings.cs
- x509store.cs
- FileUtil.cs
- ProcessHost.cs
- ConsoleCancelEventArgs.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- Policy.cs
- connectionpool.cs
- GACIdentityPermission.cs
- RawStylusInput.cs
- BindingUtils.cs
- DiffuseMaterial.cs
- UpdateProgress.cs
- ImageSourceConverter.cs
- RemotingSurrogateSelector.cs
- NativeMethodsOther.cs
- PermissionSetEnumerator.cs
- RemoteWebConfigurationHostServer.cs
- HttpDebugHandler.cs
- TextBounds.cs
- XmlCustomFormatter.cs
- ByteBufferPool.cs
- DataKey.cs
- ListBindingHelper.cs
- EditorPart.cs
- NameTable.cs
- MobileRedirect.cs
- DataKeyPropertyAttribute.cs
- CompressionTransform.cs
- MeshGeometry3D.cs
- ExpressionHelper.cs
- EventManager.cs
- GeometryGroup.cs
- PerformanceCounterPermissionAttribute.cs
- HttpSessionStateWrapper.cs
- AuthenticationServiceManager.cs
- HttpEncoder.cs
- _DynamicWinsockMethods.cs
- ScriptReferenceEventArgs.cs
- ApplyImportsAction.cs
- PipelineComponent.cs
- TypeBuilder.cs