Design diagram like visio

I want to make WinForms app that in run I want to design diagram like visio, now only I want to draw a rectangle and line. How can draw rectangle by mouse? Can you give me link of simple example or guide me?开发者_如何学Python

You may want to have a look at it

1. Creating VISIO Organigrams using C#
2. WPF Diagram Designer (if you can go for WPF then)
3. Creating Visio look-a-like diagrams programatically

Hope this Helps