public static extern short RegisterClassEx(ref WNDCLASSEX lpwcx);
public NativeWindowEx()
{
_CtrlWndProc = new WndProcDelegate(WndProc);
_DefWndProc = new WndProcDelegate(Win32Interop.DefWindowProc);
#region Control Window
WNDCLASSEX ctrlWndClsEx = new WNDCLASSEX();
ctrlWndClsEx.Init();
ctrlWndClsEx.style = 0;
ctrlWndClsEx.lpfnWndProc = _CtrlWndProc;
ctrlWndClsEx.cbClsExtra = 0;
ctrlWndClsEx.cbWndExtra = 0;
ctrlWndClsEx.hInstance = Win32Interop.GetModuleHandle(null);
ctrlWndClsEx.hIcon = IntPtr.Zero;
ctrlWndClsEx.hIconSm = IntPtr.Zero;
ctrlWndClsEx.hCursor = IntPtr.Zero;
ctrlWndClsEx.hbrBackground = IntPtr.Zero;
ctrlWndClsEx.lpszClassName = _CtrlWndClassName;
ctrlWndClsEx.lpszMenuName = null;
if (Win32Interop.RegisterClassEx(ref ctrlWndClsEx) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "RegisterClassEx failed.");
}
Handle = Win32Interop.CreateWindowEx(ExtendedWndStyle.WS_EX_LAYERED | ExtendedWndStyle.WS_EX_NOACTIVATE, _CtrlWndClassName, null, WndStyle.WS_POPUP, 0, 0, 0, 0, IntPtr.Zero, IntPtr.Zero, Win32Interop.GetModuleHandle(null), IntPtr.Zero);
if (Handle == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateWindowEx failed.");
}
Win32Interop.SetLayeredWindowAttributes(Handle, 0, 1, UpdateLayerWindowParameter.ULW_ALPHA);
#endregion
#region Rendering Window
WNDCLASSEX renderingWndClsEx = new WNDCLASSEX();
renderingWndClsEx.Init();
renderingWndClsEx.style = WndClassType.CS_VREDRAW | WndClassType.CS_HREDRAW;
renderingWndClsEx.lpfnWndProc = _DefWndProc;
renderingWndClsEx.cbClsExtra = 0;
renderingWndClsEx.cbWndExtra = 0;
renderingWndClsEx.hInstance = Win32Interop.GetModuleHandle(null);
renderingWndClsEx.hIcon = IntPtr.Zero;
renderingWndClsEx.hIconSm = IntPtr.Zero;
renderingWndClsEx.hCursor = IntPtr.Zero;
renderingWndClsEx.hbrBackground = IntPtr.Zero;
renderingWndClsEx.lpszClassName = _RenderingWndClassName;
renderingWndClsEx.lpszMenuName = null;
if (Win32Interop.RegisterClassEx(ref renderingWndClsEx) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "RegisterClassEx failed.");
}
_RenderingHwnd = Win32Interop.CreateWindowEx(ExtendedWndStyle.WS_EX_LAYERED | ExtendedWndStyle.WS_EX_TRANSPARENT | ExtendedWndStyle.WS_EX_NOACTIVATE, _RenderingWndClassName, null, WndStyle.WS_POPUP, 0, 0, 0, 0, Handle, IntPtr.Zero, Win32Interop.GetModuleHandle(null), IntPtr.Zero);
if (_RenderingHwnd == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateWindowEx failed.");
}
#endregion
}