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
- Figure.cs
- ComponentManagerBroker.cs
- Action.cs
- Processor.cs
- ViewCellSlot.cs
- SystemIPGlobalStatistics.cs
- regiisutil.cs
- PartitionerStatic.cs
- XhtmlBasicControlAdapter.cs
- WebServiceMethodData.cs
- AddToCollection.cs
- QuerySelectOp.cs
- BinaryFormatterWriter.cs
- FontDialog.cs
- DataBinding.cs
- WithParamAction.cs
- HttpFileCollectionBase.cs
- ConnectionsZone.cs
- FastEncoder.cs
- ClientFormsAuthenticationCredentials.cs
- XmlSerializationWriter.cs
- SoundPlayerAction.cs
- StrokeCollection.cs
- WindowsAuthenticationEventArgs.cs
- FileInfo.cs
- ConditionalWeakTable.cs
- DockPattern.cs
- SqlAliaser.cs
- RecordBuilder.cs
- ScriptManagerProxy.cs
- SkinIDTypeConverter.cs
- MessageQueueCriteria.cs
- Mappings.cs
- KeyManager.cs
- PartialTrustHelpers.cs
- ProcessHostConfigUtils.cs
- ColumnHeader.cs
- DataControlPagerLinkButton.cs
- MsmqPoisonMessageException.cs
- SendKeys.cs
- NavigationExpr.cs
- AdornerHitTestResult.cs
- PartManifestEntry.cs
- XmlBinaryReaderSession.cs
- ObjectSecurity.cs
- DocumentStatusResources.cs
- ErasingStroke.cs
- StaticDataManager.cs
- DiscoveryClientChannelBase.cs
- MessageRpc.cs
- XmlCodeExporter.cs
- Paragraph.cs
- ParameterBuilder.cs
- Utils.cs
- SqlUtil.cs
- coordinatorscratchpad.cs
- CounterCreationDataCollection.cs
- DataBoundLiteralControl.cs
- SafeNativeMethods.cs
- DBPropSet.cs
- SqlXml.cs
- MimeTypePropertyAttribute.cs
- QilNode.cs
- CodeTypeConstructor.cs
- GlyphsSerializer.cs
- Rect3D.cs
- ContainerSelectorActiveEvent.cs
- NativeMethods.cs
- RuntimeConfigurationRecord.cs
- CharacterString.cs
- OwnerDrawPropertyBag.cs
- Win32KeyboardDevice.cs
- PropertyNames.cs
- BaseTemplateBuildProvider.cs
- HtmlInputReset.cs
- DropDownButton.cs
- Debug.cs
- StringBuilder.cs
- SafeThreadHandle.cs
- CrossAppDomainChannel.cs
- XmlStringTable.cs
- ExecutionContext.cs
- LinqDataSourceStatusEventArgs.cs
- InternalBufferOverflowException.cs
- ContentFilePart.cs
- TableColumn.cs
- ParameterToken.cs
- SplitterCancelEvent.cs
- _ShellExpression.cs
- basenumberconverter.cs
- MouseButtonEventArgs.cs
- GB18030Encoding.cs
- Axis.cs
- NotSupportedException.cs
- IndicCharClassifier.cs
- WebControlAdapter.cs
- SimpleApplicationHost.cs
- SystemPens.cs
- XmlDataSourceNodeDescriptor.cs
- ZoneIdentityPermission.cs