Re: [DUG]: VCL COM Subsytem Thread Safety.

1999-05-03 Thread Xander van der Merwe
I've just recently read somewhere reliable that the COM/ActiveX VCL library in Delphi 4 is now thread safe - obviously implying that it was not the case under Delphi 3. I can't unfortunately remember the source though :-( Xander van der Merwe -Original Message- From: Myles Penlington <[

RE: [DUG]: VCL COM Subsytem Thread Safety.

1999-05-03 Thread Maurice Butler
If are you dynamically creating and destroying threads in your app be careful. Delphi 4 has got the same bug as all other versions in the thread management. They all require a critical section at the indicated points. I have also found that with using data databases that if you create a new sessi

[DUG]: COM Stress Testing.

1999-05-03 Thread Myles Penlington
I have written a D4 program to stress test our D4 COM object. All works fine up until about 10 threads, after which we can guarantee to get a "OLE Catastrophic error". Does anybody know if this is a MS COM problem or a Delphi problem? Does anybody know what causes the "Catastrophic error"?? R

Re: [DUG]: COM Stress Testing.

1999-05-03 Thread pjones
You don't happen to be using NT Workstation for your server do you? 10 Connections is the magic number for Workstation. Myles Penlington <[EMAIL PROTECTED]> on 04/05/99 14:58:32 Please respond to [EMAIL PROTECTED] To: Multiple recipients of list delphi <[EMAIL PROTECTED]> cc:(bcc:

[DUG]: Bizarre bug of the day

1999-05-03 Thread pjones
Doing the following : Except On E : Exception Do Sometimes gives me an empty (nil) E enen though I have explicityly created an exception using raise Exception.Create. Has anyone else had this? --- New Zeal