VB 用定时器控制在窗体上随机显示五角星,要求五角星的大小随机,颜色随 ...答:Dim dr As Integer Randomize dr = Rnd * 2000 + 100 Dim x, y As Integer x = 2000 y = 2000 Dim x1, x2, x3, x4, x5 As Integer Dim y1, y2, y3, y4, y5 As Integer '中心坐标是(x,y)'求五个点的坐标 x1 = x: y1 = y - dr x2 = x + dr * Cos(Pi / 1...