Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / xsp / System / Web / Extensions / ui / ExtenderControl.cs / 1 / ExtenderControl.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI { using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.Security.Permissions; using System.Web; using System.Web.UI; using System.Web.Resources; using System.Web.Util; [ AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal), AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal), DefaultProperty("TargetControlID"), Designer("System.Web.UI.Design.ExtenderControlDesigner, " + AssemblyRef.SystemWebExtensionsDesign), NonVisualControl(), ParseChildren(true), PersistChildren(false), ToolboxItem("System.Web.UI.Design.ExtenderControlToolboxItem, " + AssemblyRef.SystemWebExtensionsDesign), ] public abstract class ExtenderControl : Control, IExtenderControl { private string _targetControlID; private IScriptManagerInternal _scriptManager; private new IPage _page; protected ExtenderControl() { } internal ExtenderControl(IScriptManagerInternal scriptManager, IPage page) { _scriptManager = scriptManager; _page = page; } private IPage IPage { get { if (_page != null) { return _page; } else { Page page = Page; if (page == null) { throw new InvalidOperationException(AtlasWeb.Common_PageCannotBeNull); } return new PageWrapper(page); } } } private IScriptManagerInternal ScriptManager { get { if (_scriptManager == null) { Page page = Page; if (page == null) { throw new InvalidOperationException(AtlasWeb.Common_PageCannotBeNull); } _scriptManager = System.Web.UI.ScriptManager.GetCurrent(page); if (_scriptManager == null) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.Common_ScriptManagerRequired, ID)); } } return _scriptManager; } } [ Category("Behavior"), DefaultValue(""), IDReferenceProperty, ResourceDescription("ExtenderControl_TargetControlID"), SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID"), ] public string TargetControlID { get { return (_targetControlID == null) ? String.Empty : _targetControlID; } set { _targetControlID = value; } } [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), EditorBrowsable(EditorBrowsableState.Never) ] public override bool Visible { get { return base.Visible; } set { throw new NotImplementedException(); } } ////// Finds the closest UpdatePanel in the parent controls of the specified control. /// /// The control for which we want the closest UpdatePanel. ///An UpdatePanel or null if none was found. private static UpdatePanel FindUpdatePanel(Control control) { Control parent = control.Parent; while (parent != null) { UpdatePanel parentPanel = parent as UpdatePanel; if (parentPanel != null) { return parentPanel; } parent = parent.Parent; } return null; } [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); RegisterWithScriptManager(); } private void RegisterWithScriptManager() { if (String.IsNullOrEmpty(TargetControlID)) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.ExtenderControl_TargetControlIDEmpty, ID)); } Control targetControl = FindControl(TargetControlID); if (targetControl == null) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.ExtenderControl_TargetControlIDInvalid, ID, TargetControlID)); } // Check if the target control and its extender are in the same UpdatePanel if any: if (FindUpdatePanel(this) != FindUpdatePanel(targetControl)) { throw new InvalidOperationException(AtlasWeb.ExtenderControl_TargetControlDifferentUpdatePanel); } ScriptManager.RegisterExtenderControl(this, targetControl); } protected internal override void Render(HtmlTextWriter writer) { base.Render(writer); // DevDiv 97460: ScriptDescriptors only render if in server form, verify to avoid silently failing. IPage.VerifyRenderingInServerForm(this); // ScriptManager cannot be found in DesignMode, so do not attempt to register scripts. if (!DesignMode) { ScriptManager.RegisterScriptDescriptors(this); } } protected abstract IEnumerableGetScriptDescriptors(Control targetControl); [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate", Justification = "Implementation will likely return a new collection, which is too slow for a property")] protected abstract IEnumerable GetScriptReferences(); #region IExtenderControl Members IEnumerable IExtenderControl.GetScriptDescriptors(Control targetControl) { return GetScriptDescriptors(targetControl); } IEnumerable IExtenderControl.GetScriptReferences() { return GetScriptReferences(); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI { using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.Security.Permissions; using System.Web; using System.Web.UI; using System.Web.Resources; using System.Web.Util; [ AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal), AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal), DefaultProperty("TargetControlID"), Designer("System.Web.UI.Design.ExtenderControlDesigner, " + AssemblyRef.SystemWebExtensionsDesign), NonVisualControl(), ParseChildren(true), PersistChildren(false), ToolboxItem("System.Web.UI.Design.ExtenderControlToolboxItem, " + AssemblyRef.SystemWebExtensionsDesign), ] public abstract class ExtenderControl : Control, IExtenderControl { private string _targetControlID; private IScriptManagerInternal _scriptManager; private new IPage _page; protected ExtenderControl() { } internal ExtenderControl(IScriptManagerInternal scriptManager, IPage page) { _scriptManager = scriptManager; _page = page; } private IPage IPage { get { if (_page != null) { return _page; } else { Page page = Page; if (page == null) { throw new InvalidOperationException(AtlasWeb.Common_PageCannotBeNull); } return new PageWrapper(page); } } } private IScriptManagerInternal ScriptManager { get { if (_scriptManager == null) { Page page = Page; if (page == null) { throw new InvalidOperationException(AtlasWeb.Common_PageCannotBeNull); } _scriptManager = System.Web.UI.ScriptManager.GetCurrent(page); if (_scriptManager == null) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.Common_ScriptManagerRequired, ID)); } } return _scriptManager; } } [ Category("Behavior"), DefaultValue(""), IDReferenceProperty, ResourceDescription("ExtenderControl_TargetControlID"), SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID"), ] public string TargetControlID { get { return (_targetControlID == null) ? String.Empty : _targetControlID; } set { _targetControlID = value; } } [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), EditorBrowsable(EditorBrowsableState.Never) ] public override bool Visible { get { return base.Visible; } set { throw new NotImplementedException(); } } ////// Finds the closest UpdatePanel in the parent controls of the specified control. /// /// The control for which we want the closest UpdatePanel. ///An UpdatePanel or null if none was found. private static UpdatePanel FindUpdatePanel(Control control) { Control parent = control.Parent; while (parent != null) { UpdatePanel parentPanel = parent as UpdatePanel; if (parentPanel != null) { return parentPanel; } parent = parent.Parent; } return null; } [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); RegisterWithScriptManager(); } private void RegisterWithScriptManager() { if (String.IsNullOrEmpty(TargetControlID)) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.ExtenderControl_TargetControlIDEmpty, ID)); } Control targetControl = FindControl(TargetControlID); if (targetControl == null) { throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.ExtenderControl_TargetControlIDInvalid, ID, TargetControlID)); } // Check if the target control and its extender are in the same UpdatePanel if any: if (FindUpdatePanel(this) != FindUpdatePanel(targetControl)) { throw new InvalidOperationException(AtlasWeb.ExtenderControl_TargetControlDifferentUpdatePanel); } ScriptManager.RegisterExtenderControl(this, targetControl); } protected internal override void Render(HtmlTextWriter writer) { base.Render(writer); // DevDiv 97460: ScriptDescriptors only render if in server form, verify to avoid silently failing. IPage.VerifyRenderingInServerForm(this); // ScriptManager cannot be found in DesignMode, so do not attempt to register scripts. if (!DesignMode) { ScriptManager.RegisterScriptDescriptors(this); } } protected abstract IEnumerableGetScriptDescriptors(Control targetControl); [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate", Justification = "Implementation will likely return a new collection, which is too slow for a property")] protected abstract IEnumerable GetScriptReferences(); #region IExtenderControl Members IEnumerable IExtenderControl.GetScriptDescriptors(Control targetControl) { return GetScriptDescriptors(targetControl); } IEnumerable IExtenderControl.GetScriptReferences() { return GetScriptReferences(); } #endregion } } // 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
- TerminateWorkflow.cs
- ProfileInfo.cs
- SHA384CryptoServiceProvider.cs
- WpfGeneratedKnownProperties.cs
- PerformanceCounterCategory.cs
- ObjectListComponentEditor.cs
- ProgressBarHighlightConverter.cs
- CommandDevice.cs
- KeyInstance.cs
- StrokeDescriptor.cs
- RequestCachingSection.cs
- FontDialog.cs
- BaseParser.cs
- LicenseException.cs
- MenuItem.cs
- TagNameToTypeMapper.cs
- LinearKeyFrames.cs
- DocumentGridPage.cs
- MenuItemBindingCollection.cs
- XmlSerializerNamespaces.cs
- WinInetCache.cs
- ScrollEventArgs.cs
- TextEvent.cs
- GenericUriParser.cs
- EntityDataSourceColumn.cs
- FormsAuthenticationModule.cs
- ResXFileRef.cs
- Figure.cs
- NativeStructs.cs
- DefaultProxySection.cs
- ClientData.cs
- XmlStreamNodeWriter.cs
- ContextDataSourceView.cs
- graph.cs
- BitSet.cs
- EventLogConfiguration.cs
- CaseCqlBlock.cs
- DataDocumentXPathNavigator.cs
- CompatibleIComparer.cs
- DBConcurrencyException.cs
- BindToObject.cs
- IsolationInterop.cs
- SimpleWorkerRequest.cs
- IProvider.cs
- StoreItemCollection.cs
- SystemColorTracker.cs
- Automation.cs
- ReadOnlyAttribute.cs
- HostingEnvironmentSection.cs
- StringConcat.cs
- HtmlFormParameterWriter.cs
- AnimationLayer.cs
- MtomMessageEncodingElement.cs
- ProjectionCamera.cs
- MemberDomainMap.cs
- JpegBitmapEncoder.cs
- CodeAccessSecurityEngine.cs
- PrintPreviewDialog.cs
- Propagator.cs
- XmlChildNodes.cs
- ScriptingJsonSerializationSection.cs
- MembershipValidatePasswordEventArgs.cs
- GridViewColumnCollection.cs
- CmsUtils.cs
- RegisteredScript.cs
- ExclusiveTcpListener.cs
- JpegBitmapEncoder.cs
- AuthStoreRoleProvider.cs
- SimpleLine.cs
- CommandHelpers.cs
- ViewCellSlot.cs
- Deflater.cs
- PropertyChangedEventArgs.cs
- ChtmlImageAdapter.cs
- SessionEndingCancelEventArgs.cs
- Solver.cs
- GraphicsContext.cs
- ReachSerializerAsync.cs
- Baml2006SchemaContext.cs
- SystemWebExtensionsSectionGroup.cs
- DiffuseMaterial.cs
- KnownBoxes.cs
- DisplayNameAttribute.cs
- ThreadBehavior.cs
- UserControlFileEditor.cs
- AnnouncementEndpointElement.cs
- Multiply.cs
- DrawingGroupDrawingContext.cs
- DbUpdateCommandTree.cs
- Span.cs
- HostSecurityManager.cs
- Deflater.cs
- DetailsViewModeEventArgs.cs
- HtmlProps.cs
- EventLogStatus.cs
- ClockController.cs
- ImageListStreamer.cs
- VariantWrapper.cs
- FrugalList.cs
- SynchronizedDisposablePool.cs