public static void PostMessage(IntPtr hWnd, Standard.WM Msg, IntPtr wParam, IntPtr lParam)
{
if (!_PostMessage(hWnd, Msg, wParam, lParam))
{
throw new Win32Exception();
}
}
private static IntPtr _WndProc(IntPtr hwnd, Standard.WM msg, IntPtr wParam, IntPtr lParam)
{
IntPtr zero = IntPtr.Zero;
Standard.MessageWindow target = null;
if (msg == Standard.WM.CREATE)
{
Standard.CREATESTRUCT createstruct = (Standard.CREATESTRUCT)Marshal.PtrToStructure(lParam, typeof(Standard.CREATESTRUCT));
target = (Standard.MessageWindow)GCHandle.FromIntPtr(createstruct.lpCreateParams).Target;
s_windowLookup.Add(hwnd, target);
}
else if (!s_windowLookup.TryGetValue(hwnd, out target))
{
return(Standard.NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam));
}
Standard.WndProc proc = target._wndProcCallback;
if (proc != null)
{
zero = proc(hwnd, msg, wParam, lParam);
}
else
{
zero = Standard.NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam);
}
if (msg == Standard.WM.NCDESTROY)
{
target._Dispose(true, true);
GC.SuppressFinalize(target);
}
return(zero);
}
public static Standard.HRESULT ChangeWindowMessageFilterEx(IntPtr hwnd, Standard.WM message, Standard.MSGFLT action, out Standard.MSGFLTINFO filterInfo)
{
filterInfo = Standard.MSGFLTINFO.NONE;
if (!Standard.Utility.IsOSVistaOrNewer)
{
return(Standard.HRESULT.S_FALSE);
}
if (!Standard.Utility.IsOSWindows7OrNewer)
{
if (!_ChangeWindowMessageFilter(message, action))
{
return((Standard.HRESULT)Standard.Win32Error.GetLastError());
}
return(Standard.HRESULT.S_OK);
}
Standard.CHANGEFILTERSTRUCT pChangeFilterStruct = new Standard.CHANGEFILTERSTRUCT {
cbSize = (uint)Marshal.SizeOf(typeof(Standard.CHANGEFILTERSTRUCT))
};
if (!_ChangeWindowMessageFilterEx(hwnd, message, action, ref pChangeFilterStruct))
{
return((Standard.HRESULT)Standard.Win32Error.GetLastError());
}
filterInfo = pChangeFilterStruct.ExtStatus;
return(Standard.HRESULT.S_OK);
}
private static extern bool _PostMessage(IntPtr hWnd, Standard.WM Msg, IntPtr wParam, IntPtr lParam);
public static extern IntPtr SendMessage(IntPtr hWnd, Standard.WM Msg, IntPtr wParam, IntPtr lParam);
public static extern bool DwmDefWindowProc(IntPtr hwnd, Standard.WM msg, IntPtr wParam, IntPtr lParam, out IntPtr plResult);
public static extern IntPtr DefWindowProc(IntPtr hWnd, Standard.WM Msg, IntPtr wParam, IntPtr lParam);
private static extern bool _ChangeWindowMessageFilterEx(IntPtr hwnd, Standard.WM message, Standard.MSGFLT action, [In, Out, Optional] ref Standard.CHANGEFILTERSTRUCT pChangeFilterStruct);
private static extern bool _ChangeWindowMessageFilter(Standard.WM message, Standard.MSGFLT dwFlag);