VB Forum / Win API / August 2006

I'm looking for a way to change the check mark state (checked/unchecked)
in a (1 - Checkbox styled) Listbox...
Any idea?
(Please don't tell me Listbox1.Selected(index) = True/False.... ;-) )

Hi *.*,
I'm using the above mentioned API to blend from a hidden picturebox to a
form (WinXP SP2). Both the picturebox and the form have the same size.
Sometimes, it works very well; it means, the function call returns

Working with the avi code by Ray Mercer from ShrinkwrapVB, how can I access
the capture window frame image when the form is NOT visible.
Would I use the hcapwnd handle from capGrabFrame to somehow move the frame
image data directly into arrays in the same way that getdibits24 moves ...

I had a similar problem to this about a week ago, but it turned out to be  
a typo. This time things are slightly different, but bizarrely caused by  
an invalid call handle again.
I've used the Telephony API to create a handle to the data stream from my  

Friends,
I have created a web browser application using VB6. I have set the same
as my default browser and created the file association. When I click on
a html file Icon on my desktop my application opens alright. But it

Hello,i need obtain a list of users of domain.
Exists an api for this function ??
Thanks in advance.

I have a menu.
This menu has a submenu,
so it cannot have the .Cheched property
and therefore it cannot have the standard

Does anyone have any experience with the CryptQueryObject API ?
I have been trying to translate
http://support.microsoft.com/default.aspx?scid=kb;en-us;323809
to VB without any luck.

I have a printer that prints to a file as the default printer. Now I
would like to set some of it's properties from VB 6 (such as paper size
and orientation). How could that be done? I tried doing it with the
"Printer" object, but that didn't work (probably because I don't print

Based on the code found at http://www.thescarms.com/VBasic/wait.asp, I
use WaitForSingleObject to get notification if a launched application is
closed. That piece of code works like a charm.
Now I want to mimick the Windows Explorer so the corresponding

Hello.  I have seen another posting on this subject, but I need some help
here.  Can someone show me the actual code used to instantiate an application
using ShellExecuteEX?  I just can't find a single example on it, and have
been spinning my wheels figuring out how it works.

Since StatusBar pannels don't have ForeColor property,
how to set StatusBar forecolor to red by meanse of API call?
Is it possible?
Thanks in advance.

I have a requirement to develop a VB application when I click a button
automatically it should generate a Line Graph, Column Chart and a Map as
separate tabs on a Excel workbook using an existing cross-tab report data
(Report tab) from an Excel worksheet. I have installed ...

Can somebody help me with the user defined type definition for the
DEV_BROADCAST_HANDLE structure
(http://windowssdk.msdn.microsoft.com/en-us/library/ms680879.aspx).
This structure is used with the RegisterDeviceNotification API.

Hi - I have a vb com object that I am using on a Windows 2003 server.
Part of the application requires shelling out to a dos application.
The code looks as follows:
Private Const INFINITE = -1&