What's the meaning of 1.0F in VB?
 

I found some example codes, but I don't know the meaning of 1.0f in this code. Anyone know the meaning pls advise. e.Graphics.PageUnit=GraphicsUnit.Inch Dim dpix As Single = e.Graphics.DpiX Dim dpiy As Single = e.Graphics.DpiY Dim p As new Pen(Color.Black,3)