private void OnPaint()
{
var hdc = NativeMethods.GetDC(_hwnd);
var rect = NativeMethodsSafe.GetWindowRect(_hwnd);
rect.Left = 0;
rect.Top = 0;
var color = new COLORREF(0xff, 0xff, 0xff);
var brush = NativeMethods.CreateSolidBrush(color.Value);
NativeMethods.FillRect(hdc, ref rect, brush);
NativeMethods.DeleteObject(brush);
NativeMethods.ReleaseDC(_hwnd, hdc);
}
public RECT GetWindowRect()
{
return(NativeMethodsSafe.GetWindowRect(_hwnd));
}