HOW TO SHIFT TO OTHER OPTION:
1 - Click on VNI Tan Ky XP button to activate the program:

2 - Beside the displayed options on the VNI Tan Ky toolbar, you have some other hidden options that can be activated by press the "Shift" button on keyboard:

3 - Functions of these buttons when using LEFT BUTTON of mouse:
1 - To open Vietnamese Dictionary
2 - To open Vietnamese Spelling Dictionary
3 - To open Ong Do Calendar
4 - To convert text to VNI-ANSI
5 - To check Vietnamese Spelling
6 - To insert text into edit box.
7 - To convert text to a 7-bit format for Internet mail.
4 - Functions of these buttons when using RIGHT BUTTON of mouse:
- To restore default font.