[Wine] Run application by vb6 on wine

[banhquy]

i install wine 1.1.19
installed through winetricks :comctl32.ocx;vb6run;
i use Ubuntu 9.04 beta.
i can run that app through wine,connect database sqlserver 2005,
but there is a problem now.
my app use MDI(Multiple document interface)  of Microsoft. With that technology i can open so many form child in just one parent form.
Problem is here.
when i close one of form child.My app is disappeared. [Evil or Very Mad] 
How could i do or which package should i install in wine to run my app.
Help me.Thanks so much :o