procedure RunAppAndWAit( a: TApplication; app, par, verb: string);
var
seinfo: tshellexecuteinfo;
exitcode: dword;
begin
fillchar( seinfo, sizeof( seinfo), 0);
seinfo.cbsize := sizeof( tshellexecuteinfo);
with seinfo do
begin
fmask := see_mask_nocloseprocess;
wnd := a.Handle;
lpfile := pchar( app);
lpDirectory := pchar( ExtractFileDir( app));
lpParameters := pchar( par);
lpVerb := pchar( verb);
nshow := sw_shownormal;
end;
if ShellExecuteEx( @seinfo) then
begin
repeat
a.ProcessMessages;
GetExitCodeProcess( seinfo.hprocess, exitcode);
until ( exitcode <> still_active) or a.terminated;
end
else
sshowmessage( 'Unable to open ' + app);
end;