Populating a combobox with a textbox

[sxi12345]

Hi

I want to populate a combobox using a textbox, how can I do this??

 

[gemma-the-husky]

hard to understandwhat you mean. what is in the textbox

 

[sxi12345]

Nothing is in the text box, just blank. I want to to type something in the text box and when you click a command button it will be added to the combo box.