InputProcessorProfilesLoader.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / InputProcessorProfilesLoader.cs / 1305600 / InputProcessorProfilesLoader.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: Creates ITfThreadMgr instances, the root object of the Text 
//              Services Framework.
// 
// History:
//  07/30/2003 : yutakas - ported from dotnet tree.
//
//--------------------------------------------------------------------------- 

// PRESHARP: In order to avoid generating warnings about unkown message numbers and unknown pragmas. 
#pragma warning disable 1634, 1691 

using System; 
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Security;
using System.Threading; 

using Microsoft.Win32; 
using System.Diagnostics; 
using MS.Win32;
 
namespace System.Windows.Input
{
    //-----------------------------------------------------
    // 
    //  InputProcessorProfilesLoader class
    // 
    //----------------------------------------------------- 

    ///  
    /// Loads an instance of the Text Services Framework.
    /// 
    internal static class InputProcessorProfilesLoader
    { 
        //------------------------------------------------------
        // 
        //  Constructors 
        //
        //----------------------------------------------------- 

        #region Constructors

        #endregion Constructors 

        //------------------------------------------------------ 
        // 
        //  Internal Properties
        // 
        //------------------------------------------------------

        #region Internal Properties
 
        /// 
        /// Loads an instance of the Text Services Framework. 
        ///  
        /// 
        /// May return null if no text services are available. 
        /// 
        /// 
        /// Critical - calls unmanaged code to load the input profiles, returns unmanaged object
        ///  
        [SecurityCritical]
        internal static UnsafeNativeMethods.ITfInputProcessorProfiles Load() 
        { 
            UnsafeNativeMethods.ITfInputProcessorProfiles obj;
 
            Debug.Assert(Thread.CurrentThread.GetApartmentState() == ApartmentState.STA, "Load called on MTA thread!");

            //
            // Bug#1212202 
            //
            // Presharp warn this though UnsafeNativeMethods.TF_CreateInputProcessorProfiles() does not have 
            // SetLastError attribute. 
            // We think this is a false alarm of Presharp.
            // 
#pragma warning suppress 6523
            if (UnsafeNativeMethods.TF_CreateInputProcessorProfiles(out obj) == NativeMethods.S_OK)
            {
                return obj; 
            }
            return null; 
        } 

        #endregion Internal Properties 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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