TZUTC: -0800
MSGID: 53674.syncprog@1:103/705 2d9c65e2
PID: Synchronet 3.21a-Linux master/88b423313 Sep 29 2025 GCC 12.2.0
TID: SBBSecho 3.32-Linux master/a51dd4dc5 Dec 06 2025 GCC 12.2.0
BBSID: VERT
CHRS: ASCII 1
FORMAT: flowed
https://gitlab.synchro.net/main/sbbs/-/commit/a2cd1d341bc92ee3556a8694
Modified Files:
	src/sbbs3/ctrl/MainFormUnit.cpp
Log Message:
Wrap all ClientForm->ListView->Items accesses in try/catch

... this appears to resolve the "invalid index" exceptions that could get
thrown and pop-up error dialogs in SBBSCTRL-Win32 ... finally.

It's a mystery how the ListMutex isn't successfully protecting the ListView
(the ListView->Items->Count becomes out of sync?), but if the array index
into the ListView->Item array is invalid, it must be. Pretty weird.

Also, if WaitForSIngleObject() fails (to acquire the ListView mutex), popup
an error dialog box. I have not observed any mutex acquisition failures.
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