// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
//
//
 
using System.Runtime.InteropServices;
 
namespace MS.Internal.WindowsRuntime
{
    namespace Windows.UI.ViewManagement
    {
        /// <summary>
        /// Contains internal RCWs for invoking the InputPane (tiptsf touch keyboard)
        /// </summary>
        internal static class NativeMethods
        {
            [DllImport(DllImport.ApiSetWinRTString, CallingConvention = CallingConvention.StdCall)]
            internal static extern unsafe int WindowsCreateString([MarshalAs(UnmanagedType.LPWStr)] string sourceString,
                                                  int length,
                                                  out IntPtr hstring);
 
            [DllImport(DllImport.ApiSetWinRTString, CallingConvention = CallingConvention.StdCall)]
            internal static extern int WindowsDeleteString(IntPtr hstring);
 
            [DllImport(DllImport.ApiSetWinRT, CallingConvention = CallingConvention.StdCall)]
            internal static extern unsafe int RoGetActivationFactory(IntPtr runtimeClassId, ref Guid iid, [MarshalAs(UnmanagedType.Interface)] out object factory);
        
            [DllImport(DllImport.ApiSetWinRT, CallingConvention = CallingConvention.StdCall)]
            internal static extern unsafe int RoActivateInstance(IntPtr runtimeClassId, [MarshalAs(UnmanagedType.Interface)] out object instance);
 
            internal const int E_NOINTERFACE = unchecked((int)0x80004002);
 
            internal const int REGDB_E_CLASSNOTREG = unchecked((int)0x80040154);
        }
    }
}