Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebParts / ProxyWebPartConnectionCollection.cs / 1 / ProxyWebPartConnectionCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.ComponentModel; using System.Drawing.Design; using System.Globalization; using System.Security.Permissions; using System.Web.Util; [ Editor("System.ComponentModel.Design.CollectionEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class ProxyWebPartConnectionCollection : CollectionBase { private WebPartManager _webPartManager; public bool IsReadOnly { get { if (_webPartManager != null) { return _webPartManager.StaticConnections.IsReadOnly; } else { // This collection is never read-only before _webPartManager is set return false; } } } public WebPartConnection this[int index] { get { return (WebPartConnection)List[index]; } set { List[index] = value; } } // Returns the WebPartConnection with the specified id, performing a case-insensitive comparison. // Returns null if there are no matches. public WebPartConnection this[string id] { // PERF: Use a hashtable for lookup, instead of a linear search get { foreach (WebPartConnection connection in List) { if (connection != null && String.Equals(connection.ID, id, StringComparison.OrdinalIgnoreCase)) { return connection; } } return null; } } public int Add(WebPartConnection value) { return List.Add(value); } private void CheckReadOnly() { if (IsReadOnly) { throw new InvalidOperationException(SR.GetString(SR.ProxyWebPartConnectionCollection_ReadOnly)); } } public bool Contains(WebPartConnection value) { return List.Contains(value); } public void CopyTo(WebPartConnection[] array, int index) { List.CopyTo(array, index); } public int IndexOf(WebPartConnection value) { return List.IndexOf(value); } public void Insert(int index, WebPartConnection value) { List.Insert(index, value); } protected override void OnClear() { CheckReadOnly(); if (_webPartManager != null) { // Remove all of the connections in this collection from the main WebPartManager foreach (WebPartConnection connection in this) { _webPartManager.StaticConnections.Remove(connection); } } base.OnClear(); } protected override void OnInsert(int index, object value) { CheckReadOnly(); if (_webPartManager != null) { _webPartManager.StaticConnections.Insert(index, (WebPartConnection)value); } base.OnInsert(index, value); } protected override void OnRemove(int index, object value) { CheckReadOnly(); if (_webPartManager != null) { _webPartManager.StaticConnections.Remove((WebPartConnection)value); } base.OnRemove(index, value); } protected override void OnSet(int index, object oldValue, object newValue) { CheckReadOnly(); if (_webPartManager != null) { int webPartManagerIndex = _webPartManager.StaticConnections.IndexOf((WebPartConnection)oldValue); // It is a bug if the main WebPartManager does not contain the oldValue Debug.Assert(webPartManagerIndex >= 0); _webPartManager.StaticConnections[webPartManagerIndex] = (WebPartConnection)newValue; } base.OnSet(index, oldValue, newValue); } // Validates that an object is a WebPartConnection. protected override void OnValidate(object value) { base.OnValidate(value); if (value == null) { throw new ArgumentNullException("value", SR.GetString(SR.Collection_CantAddNull)); } if (!(value is WebPartConnection)) { throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "WebPartConnection")); } } public void Remove(WebPartConnection value) { List.Remove(value); } internal void SetWebPartManager(WebPartManager webPartManager) { // This method should only be called once in the lifetime of the ProxyWebPartConnectionCollection Debug.Assert(_webPartManager == null); Debug.Assert(webPartManager != null); _webPartManager = webPartManager; // When the _webPartManager is first set, add all the connections in this collection // to the main WebPartManager foreach (WebPartConnection connection in this) { _webPartManager.StaticConnections.Add(connection); } } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ResourceDisplayNameAttribute.cs
- InputLanguageManager.cs
- SqlConnection.cs
- _NegoState.cs
- followingquery.cs
- DataGridViewRowConverter.cs
- ToolboxComponentsCreatedEventArgs.cs
- ViewGenResults.cs
- XmlSchemaNotation.cs
- Int32KeyFrameCollection.cs
- XmlSchemaObjectTable.cs
- HtmlTableRowCollection.cs
- ExceptionUtil.cs
- WebPartsPersonalization.cs
- XmlMemberMapping.cs
- HostProtectionPermission.cs
- UrlMappingCollection.cs
- WCFModelStrings.Designer.cs
- Brush.cs
- BulletChrome.cs
- GridViewRow.cs
- _CookieModule.cs
- DataGridClipboardHelper.cs
- Enlistment.cs
- KerberosRequestorSecurityToken.cs
- DictionaryBase.cs
- BinaryParser.cs
- Vector3DAnimationUsingKeyFrames.cs
- SerializationAttributes.cs
- XappLauncher.cs
- FileSystemInfo.cs
- BaseProcessor.cs
- InfiniteTimeSpanConverter.cs
- ConfigurationLockCollection.cs
- controlskin.cs
- _ChunkParse.cs
- SqlConnectionHelper.cs
- TableLayoutSettingsTypeConverter.cs
- DesignerForm.cs
- AsymmetricSignatureDeformatter.cs
- NativeMethods.cs
- Vector3D.cs
- _HelperAsyncResults.cs
- EntityDataSourceValidationException.cs
- ServiceReference.cs
- Set.cs
- counter.cs
- LazyTextWriterCreator.cs
- HttpCookie.cs
- MemberPath.cs
- RootBrowserWindowAutomationPeer.cs
- SerializationInfoEnumerator.cs
- HeaderUtility.cs
- DecoderReplacementFallback.cs
- _TLSstream.cs
- RuntimeCompatibilityAttribute.cs
- SortQuery.cs
- CaseInsensitiveComparer.cs
- Panel.cs
- CodeTypeDelegate.cs
- BindToObject.cs
- _ShellExpression.cs
- HelloOperationCD1AsyncResult.cs
- ListItem.cs
- ArraySortHelper.cs
- TextSelectionHelper.cs
- SqlSupersetValidator.cs
- RubberbandSelector.cs
- TableHeaderCell.cs
- XPathMessageFilterElementComparer.cs
- Pipe.cs
- EntityDataSource.cs
- WorkflowItemPresenter.cs
- InfoCardCryptoHelper.cs
- MenuStrip.cs
- QueryConverter.cs
- AuthStoreRoleProvider.cs
- IFlowDocumentViewer.cs
- CompiledQuery.cs
- SchemaImporterExtension.cs
- DataMisalignedException.cs
- TerminatorSinks.cs
- TransformGroup.cs
- SoundPlayer.cs
- Label.cs
- SmiTypedGetterSetter.cs
- _LazyAsyncResult.cs
- RSAPKCS1SignatureDeformatter.cs
- EntityChangedParams.cs
- CacheEntry.cs
- XmlSchemaAttribute.cs
- DictionaryEntry.cs
- ToolStripSplitButton.cs
- Mouse.cs
- EntityParameter.cs
- KeySplineConverter.cs
- PatternMatcher.cs
- SevenBitStream.cs
- ProxyManager.cs
- XmlSchemaSimpleTypeRestriction.cs