agrobot_base/Exemplos/SharpDX-master/Source/SharpDX.DXGI/VirtualSurfaceUpdatesCallba...

72 lines
3.1 KiB
C#

// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Runtime.InteropServices;
namespace SharpDX.DXGI
{
/// <summary>
/// Internal VirtualSurfaceUpdatesCallbackNative Callback
/// </summary>
internal class VirtualSurfaceUpdatesCallbackNativeShadow : SharpDX.ComObjectShadow
{
private static readonly VirtualSurfaceUpdatesCallbackNativeVtbl Vtbl = new VirtualSurfaceUpdatesCallbackNativeVtbl();
/// <summary>
/// Get a native callback pointer from a managed callback.
/// </summary>
/// <param name="virtualSurfaceUpdatesCallbackNative">The geometry sink.</param>
/// <returns>A pointer to the unmanaged geometry sink counterpart</returns>
public static IntPtr ToIntPtr(IVirtualSurfaceUpdatesCallbackNative virtualSurfaceUpdatesCallbackNative)
{
return ToCallbackPtr<IVirtualSurfaceUpdatesCallbackNative>(virtualSurfaceUpdatesCallbackNative);
}
public class VirtualSurfaceUpdatesCallbackNativeVtbl : ComObjectVtbl
{
public VirtualSurfaceUpdatesCallbackNativeVtbl() : base(1)
{
AddMethod(new UpdatesNeededDelegate(UpdatesNeededImpl));
}
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
private delegate int UpdatesNeededDelegate(IntPtr thisPtr);
private static int UpdatesNeededImpl(IntPtr thisPtr)
{
try
{
var shadow = ToShadow<VirtualSurfaceUpdatesCallbackNativeShadow>(thisPtr);
var callback = (IVirtualSurfaceUpdatesCallbackNative)shadow.Callback;
callback.UpdatesNeeded();
}
catch (Exception exception)
{
return (int)SharpDX.Result.GetResultFromException(exception);
}
return Result.Ok.Code;
}
}
protected override CppObjectVtbl GetVtbl
{
get { return Vtbl; }
}
}
}