Draw A straight Line In VB.Net

'Drawing Line in VB is very easy, it can be done as follows

Dim drawLineGraph As System.Drawing.Graphics

curvegraph = Graphics.FromHwnd(CurvePic().Handle)

' CurvePic is picture box

curvegraph.DrawLine(pen:=New Pen(Brushes.Blue), x1:=x1, y1:=y1, x2:=x2, y2:=y2)

'x1,x2 and y1,y2 are computer coordinate of starting point and ending point of line.