01.
private
void
button4_Click(
object
sender, EventArgs e)
02.
{
03.
Graphics g =
this
.CreateGraphics();
04.
05.
int
x1 = 50, x2 = x1+110,y1 = 20,y2 = 50;
06.
g.Clear(
this
.BackColor);
07.
g.PageUnit = GraphicsUnit.Millimeter;
08.
Pen drawingPen =
new
Pen(Brushes.Black, 1);
09.
g.DrawLine(drawingPen,
new
Point(x1,y1),
new
Point(x1,y2));
10.
11.
12.
}