question about form load

[Guest]

Hello:
In a MDI windows form application,as soon as the main form become
visiable ,i want to show a modal dialog(not mdi child) in the center of the
main window without user interaction. which event is suitable for this
purpose?

Thanks in advance!!!

 

[Adrian]

SendMessage(handle, WM_SYSCOMMAND, SC_RESTORE, 0);