level 3
taobo0987
楼主
private void Form1_Paint(object sender, PaintEventArgs e)
{
Bitmap bitm = new Bitmap(this.panel1.Width, this.panel1.Height);
Graphics g = Graphics.FromImage(bitm);
g.Clear(Color.White);
Pen p = new Pen(Color.Black, 5);
g.DrawLine(p, 20, 20, 20, this.panel1.Height - 20);
this.panel1.BackgroundImage = bitm; p.Dispose();
g.Dispose(); }
2020年05月23日 08点05分
1
{
Bitmap bitm = new Bitmap(this.panel1.Width, this.panel1.Height);
Graphics g = Graphics.FromImage(bitm);
g.Clear(Color.White);
Pen p = new Pen(Color.Black, 5);
g.DrawLine(p, 20, 20, 20, this.panel1.Height - 20);
this.panel1.BackgroundImage = bitm; p.Dispose();
g.Dispose(); }
