i was looking into the possibilities of launching sub apps from a host app.
i have the following function occasionally work (yet i am not sure why
because of its intermitency). the function is called after exiting the
event loop, and closing all db's. the commented line has a 0 for the
launch flags because of the doc's (thought it might help) but still working
on and off. does anyone have a few guidelines when going from a host to a
sub and then back to the host? or some snippets?
thanx
Charles
UInt card=0;
LocalID id;
Err err = sysErrNotAllowed;
DmSearchStateType stateInfo;
switch(DmGetNextDatabaseByTypeCreator(true, &stateInfo, 'appl', 'SUR9',
true, &card, &id)) {
case 0:
err = SysAppLaunch( card, id, sysAppLaunchFlagNewGlobals |
sysAppLaunchFlagNewStack, cmd, cmdPBP, ret );
/// err = SysAppLaunch( card, id, 0, cmd, cmdPBP, ret );
switch(err) {
case sysErrParamErr:
FrmCustomAlert(TestAlert, "sysErrParamErr", NULL, NULL);
break;
case memErrNotEnoughSpace:
FrmCustomAlert(TestAlert, "memErrNotEnoughSpace", NULL, NULL);
break;
case sysErrOutOfOwnerIDs:
FrmCustomAlert(TestAlert, "sysErrOutOfOwnerIDs", NULL, NULL);
break;
}
break;
case dmErrCantFind:
FrmCustomAlert(TestAlert, "dmErrCantFind", NULL, NULL);
break;
}
return err;
}
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