Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / 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. // //----------------------------------------------------------------------------- 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PeerCustomResolverElement.cs
- SessionStateSection.cs
- SiteMapDataSource.cs
- RawStylusSystemGestureInputReport.cs
- WeakKeyDictionary.cs
- TemplateInstanceAttribute.cs
- XmlSchemaComplexContentExtension.cs
- Scripts.cs
- TypographyProperties.cs
- EventPropertyMap.cs
- SEHException.cs
- DbParameterHelper.cs
- SingleQueryOperator.cs
- AdornedElementPlaceholder.cs
- WebRequest.cs
- XmlIncludeAttribute.cs
- AttributeExtensions.cs
- ExecutedRoutedEventArgs.cs
- CellConstantDomain.cs
- FilteredAttributeCollection.cs
- StateManagedCollection.cs
- RoleProviderPrincipal.cs
- Stylesheet.cs
- EntityDataSourceWizardForm.cs
- DbXmlEnabledProviderManifest.cs
- JobInputBins.cs
- UDPClient.cs
- DefaultTraceListener.cs
- SingleAnimationUsingKeyFrames.cs
- BufferModesCollection.cs
- SynchronizationScope.cs
- MenuItemBindingCollection.cs
- DataGridViewAutoSizeColumnModeEventArgs.cs
- MarshalByValueComponent.cs
- FragmentQueryProcessor.cs
- ToolStripOverflowButton.cs
- BaseCodeDomTreeGenerator.cs
- SQLDouble.cs
- MarshalByRefObject.cs
- TypeReference.cs
- LabelEditEvent.cs
- CommandValueSerializer.cs
- HwndSource.cs
- OutputCacheSettingsSection.cs
- SingleAnimationUsingKeyFrames.cs
- ListViewTableRow.cs
- FrameAutomationPeer.cs
- PortCache.cs
- AnnotationResource.cs
- XsdDuration.cs
- OdbcHandle.cs
- SimpleBitVector32.cs
- FormParameter.cs
- Track.cs
- WebPartDisplayModeCancelEventArgs.cs
- HtmlTableRowCollection.cs
- ServiceContractViewControl.cs
- UpdateProgress.cs
- StickyNoteHelper.cs
- OrthographicCamera.cs
- PeerResolverMode.cs
- CLRBindingWorker.cs
- SqlProfileProvider.cs
- FixedTextView.cs
- IdentityHolder.cs
- DataSourceBooleanViewSchemaConverter.cs
- ButtonFlatAdapter.cs
- DocumentXPathNavigator.cs
- BaseTemplateBuildProvider.cs
- SafeBitVector32.cs
- HotSpot.cs
- TerminateDesigner.cs
- PolyQuadraticBezierSegment.cs
- StrongNameKeyPair.cs
- ListControlConvertEventArgs.cs
- AdornedElementPlaceholder.cs
- SoapIgnoreAttribute.cs
- ConfigXmlElement.cs
- CollectionDataContract.cs
- ObjectListField.cs
- ToolStripSystemRenderer.cs
- RenderTargetBitmap.cs
- DBConnectionString.cs
- HandoffBehavior.cs
- PropertyChange.cs
- Logging.cs
- BitmapFrame.cs
- WindowsSolidBrush.cs
- KeyEvent.cs
- EntityDataSourceSelectingEventArgs.cs
- PropertiesTab.cs
- ImageSourceConverter.cs
- DragStartedEventArgs.cs
- PrintingPermissionAttribute.cs
- ProfileGroupSettingsCollection.cs
- LinqDataSourceContextData.cs
- ButtonAutomationPeer.cs
- BindingContext.cs
- CompiledRegexRunnerFactory.cs
- TypeDelegator.cs