On Wednesday, March 3, 2004, at 04:58 PM, Edwards, Waverly wrote: > > Herbie, > > I dont understand why (as a part of your handler) you dont hide, then > close > the sheet, followed by the closing of the parent if need be. > > W. > I do that and seems to work fine. I have a "Close All" button which hides , then closes the sheet window and also the dialog from which it sprung. I've no report of crashes from anyone. In response to Close all button.. get window _MediaBrushHelpSheetWnd, sheetW osStatus = fn HideSheetWindow( sheetW ) FN closeMediaOptionsWnd // takes care of the big'un too The latter FN is composed of basically... Window Close _MediaShadowSheetWnd Window Close _MediaOptionsWnd (No carbon events used in my case) rc > > -----Original Message----- > From: H. Gluender [mailto:h@...] > Sent: Wednesday, March 03, 2004 4:11 PM > To: FB Mailing List > Subject: [FB] New kind of crashes with OSX ? > > > Dear friends of sheet windows, > > it took me quite some time to figure out the reason of a quite > annoying kind of crashes that occurs sometimes after a sheet window > closes _together_ with its parent window. (The latter being > essential!) > > Here is an explanation and a remedy: > > Closing the sheet _after_ its parent window may lead to a crash. > > Because events in the sheet are handled asynchronously, it may > happen > -- in cases where the clicked OK button not only closes the sheet > but > the parent window as well, that the latter closes before the sheet. > > Consequently, one must only close the parent window after it has > received the kHICommandOK event that is sent after the sheet is > closed. > > The remedy requires you to install a "kHICommandOK"-event handler for > the parent window... > > A simpler and more conventional solution is to close the "parent" > window first and then to tell the user why this had to happen, e.g. > by a conventional alert. > > Hope this is of some worth. > > Best > -- > > > Herbie > > ------------------------ > > <http://www.gluender.de> > > -- > > -- >