declare LockWindowUpdate in win32api integer
LockWindowUpdate(_vfp.HWnd)
do menu1.mpr
do menu2.mpr
do menu1.mpr
LockWindowUpdate(0)

"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?

"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare

"To die for a religion is easier than to live it absolutely"
Jorge L. Borges