Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / 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); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EnumValidator.cs
- IRCollection.cs
- SqlAliaser.cs
- HierarchicalDataTemplate.cs
- QuaternionAnimationUsingKeyFrames.cs
- CategoryNameCollection.cs
- FlowSwitch.cs
- ListViewGroupConverter.cs
- LongValidator.cs
- uribuilder.cs
- XmlJsonReader.cs
- StateMachineExecutionState.cs
- VersionValidator.cs
- UpdatePanelTrigger.cs
- BrowserDefinition.cs
- ServiceDescriptions.cs
- GetLedgerRequest.cs
- GeometryHitTestParameters.cs
- SurrogateSelector.cs
- ModelItemDictionaryImpl.cs
- ParallelForEach.cs
- AuthenticationModulesSection.cs
- FormViewInsertEventArgs.cs
- SchemaImporter.cs
- WSHttpTransportSecurityElement.cs
- OperationDescription.cs
- ValidateNames.cs
- TransactionTraceIdentifier.cs
- FormViewCommandEventArgs.cs
- SharedConnectionInfo.cs
- Version.cs
- TypeInfo.cs
- RepeaterItem.cs
- DataGridViewCellStyle.cs
- DataServiceExpressionVisitor.cs
- ObfuscationAttribute.cs
- ProxyGenerator.cs
- Hex.cs
- LinkAreaEditor.cs
- MergePropertyDescriptor.cs
- EntityClassGenerator.cs
- XmlTextReaderImplHelpers.cs
- StringAnimationUsingKeyFrames.cs
- LinkClickEvent.cs
- OdbcConnectionStringbuilder.cs
- PriorityBindingExpression.cs
- TraceContextRecord.cs
- ChtmlTextBoxAdapter.cs
- PerfCounterSection.cs
- MetadataUtilsSmi.cs
- RetrieveVirtualItemEventArgs.cs
- UnconditionalPolicy.cs
- control.ime.cs
- FileDialogCustomPlace.cs
- MemberBinding.cs
- SchemaCreator.cs
- NetworkInterface.cs
- ConfigurationSectionCollection.cs
- ImplicitInputBrush.cs
- UrlPropertyAttribute.cs
- SmiTypedGetterSetter.cs
- FamilyMapCollection.cs
- EventEntry.cs
- CodeActivityMetadata.cs
- dbenumerator.cs
- TrustManagerPromptUI.cs
- OptimizerPatterns.cs
- XamlToRtfWriter.cs
- MenuEventArgs.cs
- StorageMappingItemLoader.cs
- Wizard.cs
- UnknownWrapper.cs
- EastAsianLunisolarCalendar.cs
- XmlSchema.cs
- DefaultValidator.cs
- AutomationPropertyInfo.cs
- DisplayMemberTemplateSelector.cs
- WebBrowserContainer.cs
- XmlSchemaComplexContentExtension.cs
- EdmToObjectNamespaceMap.cs
- ListViewAutomationPeer.cs
- WorkflowApplication.cs
- SequenceDesigner.cs
- NativeMethods.cs
- DataBindingHandlerAttribute.cs
- Vector3DIndependentAnimationStorage.cs
- FontStretchConverter.cs
- FontTypeConverter.cs
- GridViewRowCollection.cs
- XPathException.cs
- LicFileLicenseProvider.cs
- TimeSpan.cs
- ContractMapping.cs
- ProfileParameter.cs
- DynamicRendererThreadManager.cs
- XmlSchemaProviderAttribute.cs
- RequestNavigateEventArgs.cs
- NameValueFileSectionHandler.cs
- PropertyChangingEventArgs.cs
- XmlILAnnotation.cs