Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / ControlIdConverter.cs / 1 / ControlIdConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Globalization; using System.Reflection; using System.Web.Util; using System.Security.Permissions; ////// TypeConverter for ControlParameter's ControlID property. /// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class ControlIDConverter : StringConverter { ////// protected virtual bool FilterControl(Control control) { return true; } ///Determines whether a given control should have its id added to the StandardValuesCollection. ////// Returns a list of all control IDs in the container. /// private string[] GetControls(IDesignerHost host, object instance) { IContainer container = host.Container; // Locate nearest container IComponent component = instance as IComponent; if (component != null && component.Site != null) { container = component.Site.Container; } if (container == null) { return null; } ComponentCollection allComponents = container.Components; ArrayList array = new ArrayList(); // For each control in the container foreach (IComponent comp in (IEnumerable)allComponents) { Control control = comp as Control; // Ignore DesignerHost.RootComponent (Page or UserControl), controls that don't have ID's, // and the Control itself if (control != null && control != instance && control != host.RootComponent && control.ID != null && control.ID.Length > 0 && FilterControl(control)) { array.Add(control.ID); } } array.Sort(Comparer.Default); return (string[])array.ToArray(typeof(string)); } ////// Returns a collection of standard values retrieved from the context specified /// by the specified type descriptor. /// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (context == null) { return null; } IDesignerHost host = (IDesignerHost)context.GetService(typeof(IDesignerHost)); Debug.Assert(host != null, "Unable to get IDesignerHost in ControlIDConverter"); if (host != null) { string[] controlIDs = GetControls(host, context.Instance); if (controlIDs == null) { return null; } return new StandardValuesCollection(controlIDs); } return null; } ////// Gets whether or not the context specified contains exclusive standard values. /// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ////// Gets whether or not the specified context contains supported standard values. /// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return (context != null); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Globalization; using System.Reflection; using System.Web.Util; using System.Security.Permissions; ////// TypeConverter for ControlParameter's ControlID property. /// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class ControlIDConverter : StringConverter { ////// protected virtual bool FilterControl(Control control) { return true; } ///Determines whether a given control should have its id added to the StandardValuesCollection. ////// Returns a list of all control IDs in the container. /// private string[] GetControls(IDesignerHost host, object instance) { IContainer container = host.Container; // Locate nearest container IComponent component = instance as IComponent; if (component != null && component.Site != null) { container = component.Site.Container; } if (container == null) { return null; } ComponentCollection allComponents = container.Components; ArrayList array = new ArrayList(); // For each control in the container foreach (IComponent comp in (IEnumerable)allComponents) { Control control = comp as Control; // Ignore DesignerHost.RootComponent (Page or UserControl), controls that don't have ID's, // and the Control itself if (control != null && control != instance && control != host.RootComponent && control.ID != null && control.ID.Length > 0 && FilterControl(control)) { array.Add(control.ID); } } array.Sort(Comparer.Default); return (string[])array.ToArray(typeof(string)); } ////// Returns a collection of standard values retrieved from the context specified /// by the specified type descriptor. /// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (context == null) { return null; } IDesignerHost host = (IDesignerHost)context.GetService(typeof(IDesignerHost)); Debug.Assert(host != null, "Unable to get IDesignerHost in ControlIDConverter"); if (host != null) { string[] controlIDs = GetControls(host, context.Instance); if (controlIDs == null) { return null; } return new StandardValuesCollection(controlIDs); } return null; } ////// Gets whether or not the context specified contains exclusive standard values. /// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ////// Gets whether or not the specified context contains supported standard values. /// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return (context != null); } } } // 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
- TextDecorationCollection.cs
- XhtmlBasicTextBoxAdapter.cs
- PropertyCollection.cs
- InheritanceContextHelper.cs
- Location.cs
- HttpRequestCacheValidator.cs
- MouseActionValueSerializer.cs
- FontCacheUtil.cs
- RangeValidator.cs
- XmlDeclaration.cs
- NextPreviousPagerField.cs
- TypedRowGenerator.cs
- PersonalizationDictionary.cs
- TailCallAnalyzer.cs
- DispatchChannelSink.cs
- ProviderBase.cs
- RenderTargetBitmap.cs
- Activity.cs
- StreamReader.cs
- TextModifierScope.cs
- QilXmlWriter.cs
- ActivityExecutor.cs
- ExtensibleSyndicationObject.cs
- Frame.cs
- WaitHandleCannotBeOpenedException.cs
- PackageRelationshipCollection.cs
- NoClickablePointException.cs
- DataKeyArray.cs
- ResourceSetExpression.cs
- SerializationInfoEnumerator.cs
- HttpApplicationFactory.cs
- _KerberosClient.cs
- X509PeerCertificateElement.cs
- StoreContentChangedEventArgs.cs
- SecurityTokenTypes.cs
- EditorPartChrome.cs
- SingleKeyFrameCollection.cs
- Image.cs
- BaseAppDomainProtocolHandler.cs
- InvalidTimeZoneException.cs
- MethodImplAttribute.cs
- LedgerEntryCollection.cs
- FieldAccessException.cs
- ProviderMetadata.cs
- ResourcePermissionBase.cs
- TextBox.cs
- PseudoWebRequest.cs
- CodeStatementCollection.cs
- ClientSponsor.cs
- RotationValidation.cs
- BufferedStream.cs
- BmpBitmapDecoder.cs
- SHA384CryptoServiceProvider.cs
- mactripleDES.cs
- CodeNamespaceImportCollection.cs
- FastEncoderStatics.cs
- SecurityUtils.cs
- AttachedAnnotation.cs
- SecurityUtils.cs
- PostBackOptions.cs
- RoleManagerEventArgs.cs
- LineBreak.cs
- ResourceSetExpression.cs
- ObjectItemCollection.cs
- UInt64Converter.cs
- GenericUriParser.cs
- StackBuilderSink.cs
- _ListenerAsyncResult.cs
- EdmItemCollection.cs
- __Filters.cs
- CommonDialog.cs
- cookiecontainer.cs
- Size3D.cs
- XmlILModule.cs
- PassportAuthenticationEventArgs.cs
- WebBrowserBase.cs
- PathFigureCollection.cs
- WebConfigurationFileMap.cs
- EmptyStringExpandableObjectConverter.cs
- EditorZoneDesigner.cs
- ParameterModifier.cs
- ConstructorBuilder.cs
- CodeCompiler.cs
- ActivationArguments.cs
- DescendentsWalkerBase.cs
- FixedNode.cs
- objectquery_tresulttype.cs
- OverrideMode.cs
- DrawingServices.cs
- WrapPanel.cs
- KeyBinding.cs
- Convert.cs
- TypedRowGenerator.cs
- Inflater.cs
- DbConnectionOptions.cs
- FocusManager.cs
- NumericUpDownAcceleration.cs
- MailMessage.cs
- Separator.cs
- InvokeGenerator.cs