public static void MultClip(Clip2D b)
{
RECT a;
a.left = (int)b.lt.X;
a.top = (int)b.lt.Y;
a.right = (int)b.rb.X;
a.bottom = (int)b.rb.Y;
RECT e;
e.left = (int)Clip.lt.X;
e.top = (int)Clip.lt.Y;
e.right = (int)Clip.rb.X;
e.bottom = (int)Clip.rb.Y;
RECT rz;
rz.left = 0; rz.right = 0; rz.top = 0; rz.bottom = 0;
SafeWind32Api.IntersectRect(ref rz, ref a, ref e);
Clip.lt.X = rz.left;
Clip.lt.Y = rz.top;
Clip.rb.X = rz.right;
Clip.rb.Y = rz.bottom;
}
public static void PopClip()
{
Clip = ClipStack.Pop();
}