Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebParts / ProxyWebPart.cs / 1 / ProxyWebPart.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.ComponentModel; using System.Globalization; using System.Security.Permissions; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Util; [ ToolboxItem(false) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class ProxyWebPart : WebPart { private string _originalID; private string _originalTypeName; private string _originalPath; private string _genericWebPartID; protected ProxyWebPart(WebPart webPart) { if (webPart == null) { throw new ArgumentNullException("webPart"); } GenericWebPart genericWebPart = webPart as GenericWebPart; if (genericWebPart != null) { Control childControl = genericWebPart.ChildControl; if (childControl == null) { throw new ArgumentException(SR.GetString( SR.PropertyCannotBeNull, "ChildControl"), "webPart"); } _originalID = childControl.ID; if (String.IsNullOrEmpty(_originalID)) { throw new ArgumentException(SR.GetString( SR.PropertyCannotBeNullOrEmptyString, "ChildControl.ID"), "webPart"); } Type originalType; UserControl childUserControl = childControl as UserControl; if (childUserControl != null) { originalType = typeof(UserControl); _originalPath = childUserControl.AppRelativeVirtualPath; } else { originalType = childControl.GetType(); } _originalTypeName = WebPartUtil.SerializeType(originalType); _genericWebPartID = genericWebPart.ID; if (String.IsNullOrEmpty(_genericWebPartID)) { throw new ArgumentException(SR.GetString( SR.PropertyCannotBeNullOrEmptyString, "ID"), "webPart"); } ID = _genericWebPartID; } else { _originalID = webPart.ID; if (String.IsNullOrEmpty(_originalID)) { throw new ArgumentException(SR.GetString( SR.PropertyCannotBeNullOrEmptyString, "ID"), "webPart"); } _originalTypeName = WebPartUtil.SerializeType(webPart.GetType()); ID = _originalID; } } protected ProxyWebPart(string originalID, string originalTypeName, string originalPath, string genericWebPartID) { if (String.IsNullOrEmpty(originalID)) { throw ExceptionUtil.ParameterNullOrEmpty("originalID"); } if (String.IsNullOrEmpty(originalTypeName)) { throw ExceptionUtil.ParameterNullOrEmpty("originalTypeName"); } // If you specify a path, this must be a GenericWebPart so genericWebPartID should not be null if (!String.IsNullOrEmpty(originalPath) && String.IsNullOrEmpty(genericWebPartID)) { throw ExceptionUtil.ParameterNullOrEmpty("genericWebPartID"); } _originalID = originalID; _originalTypeName = originalTypeName; _originalPath = originalPath; _genericWebPartID = genericWebPartID; if (!String.IsNullOrEmpty(genericWebPartID)) { ID = _genericWebPartID; } else { ID = _originalID; } } public string GenericWebPartID { get { return (_genericWebPartID != null) ? _genericWebPartID : String.Empty; } } // Seal the ID property so we can set it in the constructor without an FxCop violation. public sealed override string ID { get { return base.ID; } set { base.ID = value; } } public string OriginalID { get { return (_originalID != null) ? _originalID : String.Empty; } } public string OriginalTypeName { get { return (_originalTypeName != null) ? _originalTypeName : String.Empty; } } public string OriginalPath { get { return (_originalPath != null) ? _originalPath : String.Empty; } } // Accept any ControlState, but do nothing with it, since it is actually the ControlState // for the WebPart we are replacing. protected internal override void LoadControlState(object savedState) { } // Accept any ViewState, but do nothing with it, since it is actually the ViewState // for the WebPart we are replacing. protected override void LoadViewState(object savedState) { } // Do not save any ControlState, since the ProxyWebPart itself does not need to save state // between requests. protected internal override object SaveControlState() { // Call base in case it has some side-effects that the control relies on base.SaveControlState(); return null; } // Do not save any ViewState, since the ProxyWebPart itself does not need to save state // between requests. protected override object SaveViewState() { // Call base in case it has some side-effects that the control relies on base.SaveViewState(); return 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
- OleDbConnection.cs
- CollectionConverter.cs
- ActivityDesignerResources.cs
- XmlQueryStaticData.cs
- Int64Converter.cs
- RegistryExceptionHelper.cs
- EntityDesignerUtils.cs
- ConditionalAttribute.cs
- TextModifierScope.cs
- CacheHelper.cs
- MsmqAppDomainProtocolHandler.cs
- TimeSpan.cs
- DocumentXPathNavigator.cs
- DataRelation.cs
- Message.cs
- SchemaElementDecl.cs
- FrameDimension.cs
- QilInvoke.cs
- Vector3DIndependentAnimationStorage.cs
- GridViewCellAutomationPeer.cs
- ObjectTokenCategory.cs
- Registry.cs
- LinqDataSource.cs
- StylusPointPropertyId.cs
- DataBinder.cs
- WorkerRequest.cs
- ButtonBase.cs
- MarkupCompilePass2.cs
- SharedConnectionWorkflowTransactionService.cs
- ScalarType.cs
- RotateTransform3D.cs
- SuspendDesigner.cs
- TraceHandler.cs
- ButtonFieldBase.cs
- NotifyCollectionChangedEventArgs.cs
- PrintSchema.cs
- OdbcStatementHandle.cs
- ReadOnlyHierarchicalDataSourceView.cs
- SimpleMailWebEventProvider.cs
- CustomLineCap.cs
- DataContext.cs
- TextRangeSerialization.cs
- tooltip.cs
- TaskHelper.cs
- Decoder.cs
- HelloMessageApril2005.cs
- ToolStripSplitButton.cs
- MatrixAnimationUsingPath.cs
- DataGridViewRowHeaderCell.cs
- OperationFormatStyle.cs
- UrlMappingCollection.cs
- NativeCppClassAttribute.cs
- XmlSchemaSimpleTypeRestriction.cs
- ParagraphVisual.cs
- VariableModifiersHelper.cs
- SafeNativeMethods.cs
- DefaultValueConverter.cs
- BuildProviderAppliesToAttribute.cs
- shaperfactoryquerycachekey.cs
- Graphics.cs
- NavigationProgressEventArgs.cs
- SqlCacheDependencyDatabaseCollection.cs
- StringOutput.cs
- DbMetaDataFactory.cs
- AuthenticationException.cs
- RotateTransform.cs
- UrlPath.cs
- SecurityDescriptor.cs
- TextStore.cs
- SizeFConverter.cs
- StorageInfo.cs
- DesignOnlyAttribute.cs
- InlineObject.cs
- Stroke2.cs
- TransactionCache.cs
- EventProvider.cs
- XamlWriter.cs
- GridViewEditEventArgs.cs
- QueryStringParameter.cs
- StrokeNodeEnumerator.cs
- TrustLevelCollection.cs
- ListItem.cs
- LinkLabel.cs
- Quack.cs
- TextComposition.cs
- DrawingBrush.cs
- BuildProviderAppliesToAttribute.cs
- Stack.cs
- PropVariant.cs
- SemanticBasicElement.cs
- XmlSchemaSubstitutionGroup.cs
- ChannelServices.cs
- InputLanguageManager.cs
- Pts.cs
- DBCommand.cs
- DragDrop.cs
- AncillaryOps.cs
- ComponentConverter.cs
- ReadOnlyCollectionBase.cs
- Types.cs