Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / TextServicesCompartmentContext.cs / 1305600 / TextServicesCompartmentContext.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Manages Text Services Compartment. // // History: // 07/30/2003 : yutakas - Ported from .net tree. // //--------------------------------------------------------------------------- using System; using System.Runtime.InteropServices; using System.Windows.Threading; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Collections; using MS.Internal; using MS.Utility; using MS.Win32; namespace System.Windows.Input { //----------------------------------------------------- // // TextServicesCompartmentContext class // //----------------------------------------------------- internal class TextServicesCompartmentContext { //------------------------------------------------------ // // Constructors // //----------------------------------------------------- ////// private constructer to avoid from creating instance outside. /// private TextServicesCompartmentContext() { } //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods ////// Get the compartment of the given input method state. /// ////// Critical - retrieves message pump/input manager wrapper class /// TreatAsSafe - returns safe wrapper for property request /// [SecurityCritical, SecurityTreatAsSafe] internal TextServicesCompartment GetCompartment(InputMethodStateType statetype) { for (int i = 0; i < InputMethodEventTypeInfo.InfoList.Length; i++) { InputMethodEventTypeInfo iminfo = InputMethodEventTypeInfo.InfoList[i]; if (iminfo.Type == statetype) { if (iminfo.Scope == CompartmentScope.Thread) return GetThreadCompartment(iminfo.Guid); else if (iminfo.Scope == CompartmentScope.Global) return GetGlobalCompartment(iminfo.Guid); } } return null; } ////// Get the thread compartment of the Guid. /// ////// Critical - manipulates input manager/message pump /// [SecurityCritical] internal TextServicesCompartment GetThreadCompartment(Guid guid) { // No TextServices are installed so that the compartment won't work. if (!TextServicesLoader.ServicesInstalled || TextServicesContext.DispatcherCurrent == null) return null; UnsafeNativeMethods.ITfThreadMgr threadmgr = TextServicesContext.DispatcherCurrent.ThreadManager; if (threadmgr == null) return null; if (_compartmentTable == null) _compartmentTable = new Hashtable(); TextServicesCompartment compartment; compartment = _compartmentTable[guid] as TextServicesCompartment; if (compartment == null) { compartment = new TextServicesCompartment(guid, threadmgr as UnsafeNativeMethods.ITfCompartmentMgr); _compartmentTable[guid] = compartment; } return compartment; } ////// Get the global compartment of the Guid. /// ////// Critical - access input manager directly /// [SecurityCritical] internal TextServicesCompartment GetGlobalCompartment(Guid guid) { // No TextServices are installed so that the compartment won't work. if (!TextServicesLoader.ServicesInstalled || TextServicesContext.DispatcherCurrent == null) return null; if (_globalcompartmentTable == null) _globalcompartmentTable = new Hashtable(); if (_globalcompartmentmanager == null) { UnsafeNativeMethods.ITfThreadMgr threadmgr = TextServicesContext.DispatcherCurrent.ThreadManager; if (threadmgr == null) return null; threadmgr.GetGlobalCompartment(out _globalcompartmentmanager); } TextServicesCompartment compartment = null; compartment = _globalcompartmentTable[guid] as TextServicesCompartment; if (compartment == null) { compartment = new TextServicesCompartment(guid, _globalcompartmentmanager); _globalcompartmentTable[guid] = compartment; } return compartment; } #endregion Internal Methods //----------------------------------------------------- // // Internal Properties // //------------------------------------------------------ ////// Create and get thread local compartment context. /// internal static TextServicesCompartmentContext Current { get { // TextServicesCompartmentContext for the current Dispatcher is stored in InputMethod of // the current Dispatcher. if (InputMethod.Current.TextServicesCompartmentContext == null) InputMethod.Current.TextServicesCompartmentContext = new TextServicesCompartmentContext(); return InputMethod.Current.TextServicesCompartmentContext; } } //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- // cache of ITfCompartments private Hashtable _compartmentTable; private Hashtable _globalcompartmentTable; // cache of the global compartment manager private UnsafeNativeMethods.ITfCompartmentMgr _globalcompartmentmanager; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Manages Text Services Compartment. // // History: // 07/30/2003 : yutakas - Ported from .net tree. // //--------------------------------------------------------------------------- using System; using System.Runtime.InteropServices; using System.Windows.Threading; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Collections; using MS.Internal; using MS.Utility; using MS.Win32; namespace System.Windows.Input { //----------------------------------------------------- // // TextServicesCompartmentContext class // //----------------------------------------------------- internal class TextServicesCompartmentContext { //------------------------------------------------------ // // Constructors // //----------------------------------------------------- ////// private constructer to avoid from creating instance outside. /// private TextServicesCompartmentContext() { } //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods ////// Get the compartment of the given input method state. /// ////// Critical - retrieves message pump/input manager wrapper class /// TreatAsSafe - returns safe wrapper for property request /// [SecurityCritical, SecurityTreatAsSafe] internal TextServicesCompartment GetCompartment(InputMethodStateType statetype) { for (int i = 0; i < InputMethodEventTypeInfo.InfoList.Length; i++) { InputMethodEventTypeInfo iminfo = InputMethodEventTypeInfo.InfoList[i]; if (iminfo.Type == statetype) { if (iminfo.Scope == CompartmentScope.Thread) return GetThreadCompartment(iminfo.Guid); else if (iminfo.Scope == CompartmentScope.Global) return GetGlobalCompartment(iminfo.Guid); } } return null; } ////// Get the thread compartment of the Guid. /// ////// Critical - manipulates input manager/message pump /// [SecurityCritical] internal TextServicesCompartment GetThreadCompartment(Guid guid) { // No TextServices are installed so that the compartment won't work. if (!TextServicesLoader.ServicesInstalled || TextServicesContext.DispatcherCurrent == null) return null; UnsafeNativeMethods.ITfThreadMgr threadmgr = TextServicesContext.DispatcherCurrent.ThreadManager; if (threadmgr == null) return null; if (_compartmentTable == null) _compartmentTable = new Hashtable(); TextServicesCompartment compartment; compartment = _compartmentTable[guid] as TextServicesCompartment; if (compartment == null) { compartment = new TextServicesCompartment(guid, threadmgr as UnsafeNativeMethods.ITfCompartmentMgr); _compartmentTable[guid] = compartment; } return compartment; } ////// Get the global compartment of the Guid. /// ////// Critical - access input manager directly /// [SecurityCritical] internal TextServicesCompartment GetGlobalCompartment(Guid guid) { // No TextServices are installed so that the compartment won't work. if (!TextServicesLoader.ServicesInstalled || TextServicesContext.DispatcherCurrent == null) return null; if (_globalcompartmentTable == null) _globalcompartmentTable = new Hashtable(); if (_globalcompartmentmanager == null) { UnsafeNativeMethods.ITfThreadMgr threadmgr = TextServicesContext.DispatcherCurrent.ThreadManager; if (threadmgr == null) return null; threadmgr.GetGlobalCompartment(out _globalcompartmentmanager); } TextServicesCompartment compartment = null; compartment = _globalcompartmentTable[guid] as TextServicesCompartment; if (compartment == null) { compartment = new TextServicesCompartment(guid, _globalcompartmentmanager); _globalcompartmentTable[guid] = compartment; } return compartment; } #endregion Internal Methods //----------------------------------------------------- // // Internal Properties // //------------------------------------------------------ ////// Create and get thread local compartment context. /// internal static TextServicesCompartmentContext Current { get { // TextServicesCompartmentContext for the current Dispatcher is stored in InputMethod of // the current Dispatcher. if (InputMethod.Current.TextServicesCompartmentContext == null) InputMethod.Current.TextServicesCompartmentContext = new TextServicesCompartmentContext(); return InputMethod.Current.TextServicesCompartmentContext; } } //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- // cache of ITfCompartments private Hashtable _compartmentTable; private Hashtable _globalcompartmentTable; // cache of the global compartment manager private UnsafeNativeMethods.ITfCompartmentMgr _globalcompartmentmanager; } } // 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
- DynamicField.cs
- IntranetCredentialPolicy.cs
- ExpressionVisitorHelpers.cs
- CapabilitiesSection.cs
- CryptoStream.cs
- XmlILAnnotation.cs
- AssociatedControlConverter.cs
- RuleInfoComparer.cs
- XmlCharacterData.cs
- safesecurityhelperavalon.cs
- TypeNameConverter.cs
- XPathAxisIterator.cs
- ViewStateAttachedPropertyFeature.cs
- DataServiceEntityAttribute.cs
- HttpValueCollection.cs
- arclist.cs
- XpsResourcePolicy.cs
- ReflectPropertyDescriptor.cs
- WebBrowserDesigner.cs
- ValidationManager.cs
- FormatVersion.cs
- HitTestResult.cs
- SoapUnknownHeader.cs
- __Filters.cs
- EmbossBitmapEffect.cs
- NullNotAllowedCollection.cs
- LookupBindingPropertiesAttribute.cs
- OutOfMemoryException.cs
- AllMembershipCondition.cs
- TriggerCollection.cs
- DirtyTextRange.cs
- MarshalByValueComponent.cs
- UIElement.cs
- DataTableMappingCollection.cs
- JulianCalendar.cs
- FileSystemInfo.cs
- PerformanceCounterLib.cs
- ScalarOps.cs
- CheckBox.cs
- NonBatchDirectoryCompiler.cs
- XPathNavigator.cs
- XmlWrappingReader.cs
- ServiceReference.cs
- HMACSHA384.cs
- ListViewCommandEventArgs.cs
- UniqueEventHelper.cs
- ClonableStack.cs
- DispatcherProcessingDisabled.cs
- WorkflowOwnershipException.cs
- TextBlockAutomationPeer.cs
- EditorBrowsableAttribute.cs
- ControlCollection.cs
- SystemIcmpV4Statistics.cs
- X509Certificate.cs
- SystemWebSectionGroup.cs
- AssemblyBuilder.cs
- SymLanguageType.cs
- ModuleConfigurationInfo.cs
- SymbolDocumentInfo.cs
- Message.cs
- Point3DCollectionValueSerializer.cs
- RuntimeArgumentHandle.cs
- HMACSHA384.cs
- TraceSource.cs
- NotImplementedException.cs
- ApplicationFileCodeDomTreeGenerator.cs
- Item.cs
- Shared.cs
- AspNetRouteServiceHttpHandler.cs
- SingleStorage.cs
- ScaleTransform.cs
- DeploymentSection.cs
- SoapAttributes.cs
- DateTimeValueSerializerContext.cs
- XmlSerializerFactory.cs
- ComAdminWrapper.cs
- StateMachineTimers.cs
- TextParagraphCache.cs
- PageFunction.cs
- log.cs
- Comparer.cs
- XmlTypeAttribute.cs
- GenericEnumConverter.cs
- Graph.cs
- CounterCreationData.cs
- DesignerProperties.cs
- PointLightBase.cs
- FacetEnabledSchemaElement.cs
- OracleColumn.cs
- HitTestParameters3D.cs
- DiscoveryClientBindingElement.cs
- StaticSiteMapProvider.cs
- AutomationEvent.cs
- Point3DConverter.cs
- DispatchWrapper.cs
- PerfCounterSection.cs
- Common.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- TemplateXamlParser.cs
- SafeSerializationManager.cs