Hi Sina, > I wrote a class and i want to use an instance of it > as a global variable, I define it in interface part, > and I call its constructor from main form create > event, but whenever I want to use this instance ( > global variable) it has become null!!!! what shoud I > do? It COULD be that you forgot to call inherited create(...) in your constructor. Also you may have an error in initialization. Did you write
GlobalVar := MyClass.Create(parameters); Did you check immediately after creating, whether your variable is <> Nul ? Happy de-bugging Bob ------------------------ Yahoo! Groups Sponsor --------------------~--> Get Bzzzy! (real tools to help you find a job). Welcome to the Sweet Life. http://us.click.yahoo.com/A77XvD/vlQLAA/TtwFAA/i7folB/TM --------------------------------------------------------------------~-> ----------------------------------------------------- Home page: http://groups.yahoo.com/group/delphi-en/ To unsubscribe: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/delphi-en/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
