you should include project file and source to solve this problem. i can't catch nothing your writting.
but it maybe child form's owner property. try set the owner property of child form with create owner object.

red penguin 님이 쓰신 글 :
: Sorry about English, but I don't have Korean in my work place..
: This forum give me lots of help and i'm always thanksful about you guys.
:
: This application suppose to work like "Computer Management" apps in admin tools
: Is there anyway i can close(using "X" on the top corner of form) mdi child form without access-violation?
:
: Even if I use this still get error..//
: TChild::FormClose(TObject *Sender, TCloseAction &Action)
: {
: Action = caFree;
: }
:
: for autocreated child form it works but for dynamically created ones
: i got access-violation ..
: there are no other components exception two empty forms.
:
:
: Thanks..