Hi Christof,
I am study Computer and use VFP for the first time,I want to restricts the mouse to a certain area on form.I want to show a new form in the old form(mean= menu form as look like command button of Netscape 4.xx).When i click menu button then.. it's show a new form in menu form and you can see a both of menu form and a new form (by add command ** DO FORM Person.scx ** in menu button). But when i moved mouse to a menu button. The new form is a behide of menu form.
So,I want to restricts the mouse to a certain area. How i do?

Pongthap.