This Blog is showing that how can you draw Pie shape in F# windows form application with some lines of code using FillPie method.

where Brush is an object that determine color used to fill the pie shape.

Example

open System.Drawing
 open System.Windows.Forms
let form =
// create a new form setting the minimum size
 let temp = new Form(MinimumSize = new Size(80, 80))
// repaint the form when it is resize
 temp.Resize.Add (fun _ -> temp.Invalidate())
// a brush to provide the shapes color
 let brush = new SolidBrush(Color.SkyBlue)
temp.Paint.Add (fun e ->
 // calculate the width and height of the shape
 let width, height = temp.Width - 54, temp.Height - 54
// draw the required shape
 e.Graphics.FillPie (brush, 32, 32, width, height, 0, 290))
// return the form to the top level
 temp
Application.Run(form)

Output

Pieshape Output