BOLTStack.XLGraphics.XLGP_CheckBitmap C# (CSharp) Method

        public static extern bool XLGP_CheckBitmap(IntPtr luaState, int index, ref IntPtr lpBitmap);

        public static IntPtr GetBitmap(this IntPtr L, int index)
        {
            IntPtr bitmap = IntPtr.Zero;

            XLGraphics.XLGP_CheckBitmap(L, index, ref bitmap);
            return(bitmap);
        }