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----  一句代码怎么会有两张图  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=106155)
--  作者：漂亮美眉vszh
--  发布时间：2017/9/3 16:36:00
--  一句代码怎么会有两张图

老师，我这一句代码画一条线，一共画了两条线，可是在窗口上显示时，怎么会有四条线？即两副图

 


图片点击可在新窗口打开查看此主题相关图片如下：111.png
图片点击可在新窗口打开查看
--  作者：漂亮美眉vszh
--  发布时间：2017/9/3 16:36:00
--  
  Dim i As Integer = r("动力得分合计") / (r("动力得分合计") + r("阻力得分合计")) *1000
            Dim i1 As Integer = r("阻力得分合计") / (r("动力得分合计") + r("阻力得分合计")) *1000
            Dim p As WinForm.Painter = e.Form.Controls("Painter1")
            Dim g As Graphics = p.Graphics
            Dim n As New Pen(Color.green,5)
            g.DrawLine(N,100,100,i,100)
            Dim fnt As New Font("宋体",16)
            Dim msg As String = "动力"
            g.DrawString(msg,fnt,Brushes.green,50,90)
            p.Repaint()
           
            Dim p1 As WinForm.Painter = e.Form.Controls("Painter1")
            Dim g1 As Graphics = p1.Graphics
            Dim n1 As New Pen(Color.red,5)
            g1.DrawLine(N1,100,200,i1,200)
            Dim fnt1 As New Font("宋体",16)
            Dim msg1 As String = "阻力"
            g1.DrawString(msg1,fnt1,Brushes.red,50,190)
            p1.Repaint()
--  作者：有点甜
--  发布时间：2017/9/3 16:56:00
--  

绘画之前，要先把Painter的宽高设置成最大，然后绘画，然后设置回适合你页面的大小。

 

如代码

 

Dim p As WinForm.Painter = e.Form.Controls("Painter1")
p.dock = 0
p.width = 10000
Dim g As Graphics = p.Graphics
g.DrawLine(Pens.Red,30,0,30,60)
g.DrawLine(Pens.Red,0,30,60,30)
p.Repaint()