func doDraw(Data)
  fvar(b,x,y,obj)
  b = Bitmap
  x = Point1
  y = Point2
  if(count(x) != 2 or count(y) != 2)
    error("Incorrect point format!")
  else
    switch(DrawSource)
      case 0:
        obj = b + '.'
        b = ''
      case 1:
        obj = ''
        lng.decl_loc_var(dc, 'HDC') 
        println(dc, ' := GetDC(', e_int(b), ');')
        b = dc && ', '
      case 2:
        obj = ''
        b = e_int(b) && ', '
    end
    println(obj, 'MoveToEx(', b, x[0], ', ', x[1], ', nil);')
    if(isdef(Point2AsOffset))
      println(obj, 'LineTo(', b, y[0], ', ', y[1], ');')
    else
      println(obj, 'LineTo(', b, x[0], ' + ', y[0], ', ', x[1],' + ', y[1], ');')
    end
    event(onDraw, _data_)
  end
end