Passing C++ thread data to Vb thru callback

hemoji

Hi,

I'm developing a win32 dll in VC++, I have a thread running
continuously in the dll to check for some input on socket, once it
finds a input the data is required to be passed to the VB app in 2
different modes based on requirement,
1. Send Windows message
2. Function callback

Send Windows message is implemented with no problem, but I'm struggling
to figure out how to invoke this callback function in vb from C++ dll,
I tried with normal callback with simple dll and vb app it works fine,
since my module is in a different thread, the callback happens to vb
(checked in debug mode) then vb runtime throws an exception 'access
voilation'.

I'm new to c++ environment, I'm a vb guy.

Experts pls suggest me a soln.

Thanks
Tenali

Jul 23 '05 #1

Subscribe Post Reply

2174

Jack Klein

On 7 Jul 2005 20:26:53 -0700, he****@gmail.com wrote in comp.lang.c++:

Hi,

I'm developing a win32 dll in VC++, I have a thread running
continuously in the dll to check for some input on socket, once it
finds a input the data is required to be passed to the VB app in 2
different modes based on requirement,
1. Send Windows message
2. Function callback

Send Windows message is implemented with no problem, but I'm struggling
to figure out how to invoke this callback function in vb from C++ dll,
I tried with normal callback with simple dll and vb app it works fine,
since my module is in a different thread, the callback happens to vb
(checked in debug mode) then vb runtime throws an exception 'access
voilation'.

I'm new to c++ environment, I'm a vb guy.

Experts pls suggest me a soln.

Completely off-topic here.

Try news:comp.os.ms-windows.programmer.win32

--
Jack Klein
Home: http://JK-Technology.Com
FAQs for
comp.lang.c http://www.eskimo.com/~scs/C-faq/top.html
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alt.comp.lang.learn.c-c++
http://www.contrib.andrew.cmu.edu/~a...FAQ-acllc.html

Jul 23 '05 #2

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