I think he means filling a character array with the text in the box... you'd want to use string manipulation functions for that (though there are more efficient ways). Basically, go for stuff like ...

How to Make an Autosave Button in Visual Basic. The Visual Basic "Button" class lets you create a control on your VB projects that perform an action such as auto-save.

You could also put them in a Control array, which I believe is recommended by Microsoft because it improves performance or something like that.