[DllImport("dwmapi.dll")]
static extern int DwmGetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE dwAttribute, out bool pvAttribute, int cbAttribute);
[DllImport("dwmapi.dll")]
static extern int DwmGetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE dwAttribute, out RECT pvAttribute, int cbAttribute);
VB Signature:
Declare Function DwmGetWindowAttribute Lib "dwmapi.dll" (TODO) As TODO