Delegate draw_cubic_to_func_t
public delegate void draw_cubic_to_func_t(IntPtr dfuncs, IntPtr drawData, IntPtr st, float control1X, float control1Y, float control2X, float control2Y, float toX, float toY, IntPtr userData)
public delegate void draw_cubic_to_func_t(IntPtr dfuncs, IntPtr drawData, IntPtr st, float control1X, float control1Y, float control2X, float control2Y, float toX, float toY, IntPtr userData)