How to get application path in c# using windows application?

Generally, we are getting the application path using Application.StartupPath. It will return the path of the executable file that started the application.

The Bin folder contains Release folder there I created a folder named images and save the icon image, So that we can access from the folder as we wish. 

string imgpath = Path.Combine(Application.StartupPath, @"images\infi.ico");
NotifyIcon trayIcon = new NotifyIcon();
trayIcon.Icon = new Icon(imgpath);

Get the icon from the Image folder: