1. electroteam__@hotmail.com
Electro-Team
Interesting Education

2. ComboBox
A ComboBox control is a combination of a TextBox
and a ListBox control

3. Open new project

4. Add ComboBox Item property press ... Button type White, Red, Black & Yellow
Add items from Design window

5. Run Time

6. You can add same items at run-time
Another method for adding items
Add items by Code

7. Add 1 Button and Fix it

8. Run Time

9. Sb could be anything else like X, Y or Z

10. Add another Button and Fix it

11. Run Time

12. Double click on Button2 and type yellow phrase

13. Add GroupBox, Button and TextBox

14. Run Time
TextBox Will have the same value as ComboBox

16. Error
If there is no selected item ComboBox1.SelectedIndex will be
-1 and this will produce an Error
ComboBox1.Items
White
Red
Black
yellow
ComboBox1.SelectedIndex
0
1
2
3
Dim X As String =ComboBox1.Items(ComboBox1.SelectedIndex)
TextBox1.Text = X