C # Generate verification code

1    Public Static byte[] Getverifycode (stringcodestr)2         {3Random r =NewRandom ();4Bitmap Btbitmap =NewBitmap ( the, -);5 6Graphics g =graphics.fromimage (btbitmap);7 g.clear (color.white);8             //Draw Interference Lines9              for(inti =0; I < -; i++)Ten             { One                 intX1 =R.next (btbitmap.width); A                 intY1 =R.next (btbitmap.height); -                 intx2 =R.next (btbitmap.width); -                 inty2 =R.next (btbitmap.height); theG.drawline (NewPen (Color.Black), x1,y1,x2,y2); -             } -             //Draw Interference points -              for(inti =0; I < -; i++) +             { -                 intX1 =R.next (btbitmap.width); +                 intY1 =R.next (btbitmap.height); A Btbitmap.setpixel (X1,y1,color.aqua); at             } -             //Drawing -g.DrawString (CODESTR,NewFont ("Song Body", -),NewSolidBrush (color.red),0,0); -MemoryStream ms =NewMemoryStream (); - Btbitmap.save (MS, imageformat.gif); -             returnMs. ToArray (); in}

C # Generate verification code