move cursor to end of text box .help need

Hi... I was making a keyboard form in vb6, in which user can type in textbox by clicking labels, the program is working fine, when I press any label, it typed letter in textbox, however, the cursor does not move to the end of the letter ... I tried text1.selstart + 1, but it does not work, please help me, how to move cursor too by clicking label, and how to put backspace too by clicking label.
Thanks.