procedure
TForm1.Button1Click(Sender: TObject); var
si : Tstartupinfo;
p : Tprocessinformation;
begin
FillChar( Si, SizeOf( Si ) , 0 );
with Si do begin
cb := SizeOf( Si);
dwFlags := startf_UseShowWindow;
wShowWindow := 4;
end;
Application.Minimize;
Createprocess(nil,'notepad.exe',nil,nil,false,
Create_default_error_mode,nil,nil,si,p);
Waitforsingleobject(p.hProcess,infinite);
Application.Restore;
end
;