private void readDataThread() { try { Graphics g = pictureBox1.CreateGraphics(); Pen pn1 = new Pen(Color.White); Pen pn2 = new Pen(Color.RoyalBlue); List <Point> points1a = new List <Point>(); //存直线连接的点 List <Point> points1b = new List <Point>(); //存直线连接的点 points1a.Add(new Point(1, 1)); points1a.Add(new Point(1, 1)); //初始化存直线连接的点 points1b.Add(new Point(1, 1)); points1b.Add(new Point(1, 1)); //初始化存直线连接的点 int x = 0; int sa = 0; string lkaskd = ""; while (true) { int[] lklks = cs.ReadData(); //lkaskd = cs.ReadData1(); if (lklks[0] == 1111) { //label2.Text = "11"; continue; } //label2.Text = "22"; for (int j = 0; j < 93; j++) { for (int i = 0; i < 500; i++) { sa++; if (sa % 10 == 0) { x++; if (x < 800) { points1a.Add(new Point(x, 150 + lklks[i + 2000 * j + 500 * (channel - 1)])); } else if (x == 800) { g.DrawLines(pn1, points1b.ToArray()); //points1b填白清空 points1b.Clear(); g.DrawLines(pn2, points1a.ToArray()); //points1a画黑线 } else if (x < 1600) { points1b.Add(new Point(x - 800, 150 + lklks[i + 2000 * j + 500 * (channel - 1)])); } if (x == 1600) { g.DrawLines(pn1, points1a.ToArray()); //points1a填白清空 points1a.Clear(); g.DrawLines(pn2, points1b.ToArray()); //points1b画黑线 x = 0; } } if (sa > 1000) { sa = 0; } } //if (sa>=2) //{ // break; // //break; //} } //break; } MessageBox.Show(lkaskd); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }