VB Forum / Enterprise Development / August 2003

Hola,
I have a  telephone central connected to a computer so much to save all the
calls that are produced in a database  since to programme the central.
For it use VB 5.0 enterprise edition under windows XP. The problem is that

I have a custom application that i wrote in vb6 i have installed it on a
machine that runs win 2k the executable is on a shared network drive. the
win 2k machine does not have a local copy of my executable. i placed a
shortcut on the desk top of the Win 2k machine when ever i click ...

Hi, does anyone know how to use CreateMutex() function in
order to prevent multiple instances of an application
runing at the same time on the same computer. I guess my
problem might be related to the proper initializing of the

I'm developing an application and it needs to register COMs.
My question is that...
Is 'RegSvr32 my.dll' is different from manually adding all the
information to the registry using 'RegEdit'?

I want to know how to program with capture card. Do I need to use any
DirectX SDK for development? If so, how to use DirecX in VC++ ? if not, any
other tools or API or OCX available for use
--

I have some general questions about the CDONTS library for email:
1) Can someone tell me how it works internally? I'm not asking for code
snippets (because I have code using CDONTS and it worked). I want to know
how the email is actually sent, what server does it pass through etc. ...

How can I tell what application is on top on my pc.
Clement

Hai,
In one of our systems, we are not able use one of the controls provided by
Microsoft in VB6.0 - forms 2.0 object library(fm20.dll)
while placing controls in the form it is giving an error message "Unable to

I'm using ROT to register my Object at runtime. And at the same time other
application is passing a user defined data type as a parameter to my Objects
public methor. The UDT is defined in Client App as Public and also declared
as Public. But while testing time I'm getting compiler ...

Is any function in VB that lets you count the number of comas or any other
character contained in a string?
Thanks,
Regino Alonso

MSCAL.OCX (VB6)
Does any one know why the calendar OCX does not work under Windows XP OS.
works well under Windows 9.x, NT 4.0 and 2000
but not under XP.

Hi I am a VB 6 developer, I am in charge of a very important project.
recently we have hired a new programmer who has to be at work 1 hour before
me.
I have noticed that my work has been altered from time to time since this

how can I determine the selected items in a multi-select listbox (the
multiselect property is set to simple) ?

Can someone explain this bit of code to me?
Call SubRoutine ( byval Parameter:=cParameter )
isn't the 'byval' superfluous?
and what is the :=

I'm trying make a class to show a SysTray Icon. Well I'v allready made a
dossin, but they all uses much more than 1mb of memory.
Does anyone knowes how to make a class for showing a Systray Icon, with at
right-click menu, without using more than 1 mb (1.024kb) of memory?