Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Runtime / Remoting / ProxyAttribute.cs / 1 / ProxyAttribute.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** File: ProxyAttribute.cs ** ** ** Purpose: Defines the attribute that is used on types which ** need custom proxies. ** ** ===========================================================*/ namespace System.Runtime.Remoting.Proxies { using System.Reflection; using System.Runtime.Remoting.Activation; using System.Runtime.Remoting.Contexts; using System.Security.Permissions; // Attribute for types that need custom proxies [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)] [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.Infrastructure)] [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags=SecurityPermissionFlag.Infrastructure)] [System.Runtime.InteropServices.ComVisible(true)] public class ProxyAttribute : Attribute , IContextAttribute { public ProxyAttribute() { // Default constructor } // Default implementation of CreateInstance uses our activation services to create an instance // of the transparent proxy or an uninitialized marshalbyrefobject and returns it. public virtual MarshalByRefObject CreateInstance(Type serverType) { if (!serverType.IsContextful) { throw new RemotingException( Environment.GetResourceString( "Remoting_Activation_MBR_ProxyAttribute")); } if (serverType.IsAbstract) { throw new RemotingException( Environment.GetResourceString( "Acc_CreateAbst")); } return CreateInstanceInternal(serverType); } internal MarshalByRefObject CreateInstanceInternal(Type serverType) { return ActivationServices.CreateInstance(serverType); } // Default implementation of CreateProxy creates an instance of our // remoting proxy public virtual RealProxy CreateProxy(ObjRef objRef, Type serverType, Object serverObject, Context serverContext) { RemotingProxy rp = new RemotingProxy(serverType); // If this is a serverID, set the native context field in the TP if (null != serverContext) { RealProxy.SetStubData(rp, serverContext.InternalContextID); } if (objRef != null && objRef.GetServerIdentity().IsAllocated) { rp.SetSrvInfo(objRef.GetServerIdentity(), objRef.GetDomainID()); } // Set the flag indicating that the fields of the proxy // have been initialized rp.Initialized = true; // Sanity check Type t = serverType; if (!t.IsContextful && !t.IsMarshalByRef && (null != serverContext)) { throw new RemotingException( Environment.GetResourceString( "Remoting_Activation_MBR_ProxyAttribute")); } return rp; } // implementation of interface IContextAttribute [System.Runtime.InteropServices.ComVisible(true)] public bool IsContextOK(Context ctx, IConstructionCallMessage msg) { // always happy... return true; } [System.Runtime.InteropServices.ComVisible(true)] public void GetPropertiesForNewContext(IConstructionCallMessage msg) { // chill.. do nothing. return; } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- InitializationEventAttribute.cs
- RegexNode.cs
- HwndHostAutomationPeer.cs
- Misc.cs
- SendMessageRecord.cs
- LinqDataSourceDeleteEventArgs.cs
- SqlCrossApplyToCrossJoin.cs
- DataGridItemEventArgs.cs
- BaseCAMarshaler.cs
- userdatakeys.cs
- SoapExtensionReflector.cs
- WebPartTracker.cs
- TimelineGroup.cs
- WinFormsComponentEditor.cs
- FolderBrowserDialog.cs
- MimeParameterWriter.cs
- AQNBuilder.cs
- AutomationProperties.cs
- WindowsRichEditRange.cs
- hresults.cs
- SecurityHelper.cs
- TextRangeSerialization.cs
- wmiprovider.cs
- CompModSwitches.cs
- UIInitializationException.cs
- DeflateStream.cs
- Mutex.cs
- StateMachineHistory.cs
- Geometry.cs
- RestClientProxyHandler.cs
- InternalCache.cs
- InfoCardCryptoHelper.cs
- MsmqEncryptionAlgorithm.cs
- MetadataConversionError.cs
- EntityDesignerBuildProvider.cs
- ConfigurationSchemaErrors.cs
- ConsumerConnectionPoint.cs
- CalendarDateChangedEventArgs.cs
- ProbeMatches11.cs
- OleDbPermission.cs
- InkPresenter.cs
- FontFamilyConverter.cs
- Polygon.cs
- ValidatedControlConverter.cs
- DbConnectionPoolOptions.cs
- WindowsIPAddress.cs
- MetaModel.cs
- Constraint.cs
- LoadRetryAsyncResult.cs
- AddingNewEventArgs.cs
- RemotingSurrogateSelector.cs
- SubclassTypeValidatorAttribute.cs
- SignedPkcs7.cs
- WorkflowNamespace.cs
- XPathAncestorQuery.cs
- DataObjectPastingEventArgs.cs
- DetailsViewActionList.cs
- ListViewUpdatedEventArgs.cs
- MouseButton.cs
- PolicyManager.cs
- IpcManager.cs
- SortedSet.cs
- BuildProvider.cs
- XPathArrayIterator.cs
- FamilyTypefaceCollection.cs
- Exceptions.cs
- RichTextBoxConstants.cs
- DataGridItemEventArgs.cs
- PersonalizationProviderCollection.cs
- DrawingImage.cs
- DesignerDataColumn.cs
- OperationGenerator.cs
- SafeBitVector32.cs
- ToolStripLabel.cs
- DrawListViewSubItemEventArgs.cs
- ListViewInsertEventArgs.cs
- BaseCollection.cs
- ObjectPropertyMapping.cs
- Metafile.cs
- SHA256Managed.cs
- ZipIOExtraFieldPaddingElement.cs
- ChtmlTextWriter.cs
- SessionParameter.cs
- ObjectStorage.cs
- HttpStreamMessage.cs
- WorkflowWebHostingModule.cs
- ObjectDataSourceStatusEventArgs.cs
- WebBrowser.cs
- WmlPhoneCallAdapter.cs
- TransformerInfoCollection.cs
- ModuleElement.cs
- NativeMethods.cs
- TransformerConfigurationWizardBase.cs
- DataGridToolTip.cs
- PropertyChangeTracker.cs
- Soap12FormatExtensions.cs
- StateElementCollection.cs
- SyndicationSerializer.cs
- dataobject.cs
- IMembershipProvider.cs