VB Forum / Win API / May 2007

Hi. I've been banging my head against a wall over this, and it's
probably simple. I'd like to be able to grab frames from a webcam (24
bit RGB) and dump the data into a VB6 array *without* either saving
the file to disk or copying it to the clipboard. I can do it those

I'm developing a VC++.NET ATL in-process COM which dynamically allocates a
buffer in memory. After filling this buffer (with bitmap image data) it is
needed in the VB6 application which will reference this COM I'm writing. The
VB application needs this data as a byte array ( ...

I've developed a SysTray app that I'd like the user to be able to launch
(display form "DrawingAccessOptions") a second way (keyboard shortcut -
Alt-Z).  It only seem to work immediately after launching (then hiding) the
dialog via SysTray icon.  It seem to work only when the ...

I am using CreateWindowEx to add a combobox to a UserForm in Word. The reason
I am doing this is because the solution I am writing is eventually going to
reside on a machine that has Word but does not have Excel. Therefore, there
is no way (that I know of) to use the Combobox on ...

BACKGROUND:
I need to transfer data from an excel workbook to an *.exe program. This is
further to my last post.
I have successfully drilled down to each control window in the *.exe using

Is there any way to detect if a computer has USB ports?
I've found some VB code that uses GetDriveType API function, but it
only detects a USB drive if you have inserted a USB device on it (for
example a pen-drive).

I'm checking to see if a certain proprietary intranet web application
is running. I check all windows looking for a certain pattern in the
window caption, and for classname "IEFrame". I don't want to check for
only one or the other because with both I'm more certain that I've got

I have a request from a client who wants to keep the Windows Calculator
always on top of all other windows, regardless of what window is active. Is
there an API to do this? I looked through MSDN but didn't see anything that
looked right. I am inclined for a number of reasons to ...

how can I choose the default tray on default printer from vb code on windows xp pro and windows 2000 pro?
thanks
Marco

Is there a way to programmatically power on/off the monitor?  
Thanks for your help,
Swamy

I have a problem with an existing app that has not been encountered
before and the app was first launched back in 2003. Ironically, I have
seen this problem twice this week both on XP SP2 systems both having
previously worked okay but now failing with no configuration change.

Hi Masters :-)
Could anyone of you please translate the following into Visual Basic
2005 Code ?
I am new to this and tried every trick but failed to translate. Any

I have a problem with SetThreadLocale. There is an old thread about this, I
know...
SetThreadLocale doesn't work. I can't rewrite the
functions with problems regarding the regional settings, because the problem

Is there a way to place my VB form over start button as immovable?
Because I want to display my own start button with customized text or
picture. Any sort of ideas are welcome.

Hello group,
I have 2 pictures. One is made of only 3 circles with the same center and
different rays, with 360 small around around the greatest circle, to
represent 360 degrees.