>Its possible add buttons tot the titlebar? like the maximize or minimize buttons and respond to events onclick of this buttons? TIA

I dont know, but you can add menu items to the form control menu that displays when clicking the form icon or right-clicking the title bar of a top level form:

Adding user-defined items to the Control Menu of VFP form
http://www.news2news.com/vfp/?function=-1&example=512

Carlos