HOW TO MINIMIZE VNI TAN KY TOOLBAR ONTO ICON TRAY:
1 - To minize VNI Tan Ky toolbar, click on VNI system menu as following:

2 - Select "Minimize" option on the system menu:

3 - A window will be displayed to notify the status of VNI Tan Viet icon on the icon tray as following:
4 - Click on "OK" button to minimize the icon as following: