Reminder to self: Exception $406D1388 is the exception used to set a name for a thread, like in: [delphi] procedure SetThreadName(const _Name: AnsiString); var ThreadNameInfo: TThreadNameInfo; begin ThreadNameInfo.FType := $1000; ThreadNameInfo.FName := PAnsiChar(_Name); ThreadNameInfo.FThreadID := $FFFFFFFF; ThreadNameInfo.FFlags := 0; try RaiseException($406D1388, 0, SizeOf(ThreadNameInfo) div SizeOf(LongWord), Pointer(@ThreadNameInfo)); except // ignore end; end; [/delphi] If you encounter … Continue reading External Exception $406D1388 in Delphi →