How to use the NotifyIcon control in C# WinForms

The NotifyIcon control is a component in C# WinForm used to display icons and notifications in the system tray. It helps create a system tray application that can still receive user interactions even when minimized.

Here is how to use the NotifyIcon control:

1. To add a NotifyIcon control to the window:
   a. Open the window designer;
   b. Locate the NotifyIcon control in the toolbox;
   c. Drag and drop the NotifyIcon control onto the window.
2. Set up the NotifyIcon control:
   a. In the properties window, choose the desired icon to display in the system tray by setting the Icon property.
   b. Specify the text to display as a tooltip by setting the Text property.
3. Add menu items:
   a. Associate a ContextMenuStrip control with the ContextMenuStrip property to display menu items;
   b. Add menu items in the ContextMenuStrip control;
   c. Add corresponding handling code for the Click event of the menu items to handle the click event of the menu items.
4. Display the NotifyIcon control:
   a. Call the ShowBalloonTip method of the NotifyIcon control to display a balloon tip when the form is loaded;
   b. Show the icon in the system tray by calling the Show method of the NotifyIcon control.
5. Managing events of the NotifyIcon control:
   a. You can add handling code for the NotifyIcon control’s DoubleClick event to manage the event when the icon is double-clicked;
   b. You can add handling code for the NotifyIcon control’s BalloonTipClicked event to manage the event when the balloon tip is clicked.
6. Remove the NotifyIcon control:
   a. Call the Dispose method of the NotifyIcon control when the form is closed to release resources.

The above illustrates the basic usage of the NotifyIcon control. By configuring the appropriate properties and handling the corresponding events, you can achieve more functionalities such as displaying custom menus, showing balloon tips, and dealing with right-click menus.