VB Forum / Win API / December 2003

I have an VB6 MDI client-server app (runs on Windows NT/2K/XP) that
occasionally crashes (throws an error and 'disappears'), but leaves an
instance running that can be seen as a process in Task Manager. From
the users point of view, the app has ended, so they try to open

I am using the "GetOpenFileName" from VB to display then "File Open" dialog
box.
You can also specify a default file in this dialog. Is there a way to scroll
the file list in the dialog, so that this default file(name) is visible (and

I'm calling:
TreeView_Expand(hwndTV, hPrevRootItem)
which is a wrapper for
SendMessage(hwnd, TVM_EXPAND, TVE_EXPAND, hitem):

My objective : to display hundreds of thousands of line to make a chart
(marine map), out of a binary file.
My question: by using APIs, like PolyPolyLine and PlolyPolygon, will a VB
software be as fast as a C++ one for this purpose ?

I'm writing an application in Visual Basic 6 for Oracle DB
I have to insert new rows into database , but through MSMQ
Service .After I send new messages to MSMQ I make stop and
start to MSMQ for which I use API functions..

I'm experiencing what I would call a mysterious issue regarding
objects in an ActiveX exe. I have the threading mode set to
thread per object.
I have three background tasks that need to be run. For this

Is there an api to detect closing of the ap through task manager?
Or a way to intercept the closing of the ap through task manager to cancel
the end task?
I can prolly get around this by putting a timer on the form to see if task

I am not sure where to post this, so please redirect me if not the correct
group.
How would I go about uploading a file to a website or .NET web service from
a VB6/VBA application?

How can I distinguish if a file is local or on a network drive?
Sometimes people have more than one local drive, but when deleting
files from a network drive, they don't go to the recycle bin. I want
to be able to distinguish so that I use the appropriate method.

I've been spending a lot of time working on and reviewing Win32 shell api
code (from vba perspective).  Unbeknownst to me, it's also possible to
script the Shell.  In a couple of lines you can invoke the BrowseForFolder
dialog:

I saw a lot of examples to get hwnd with me.hwnd but in vb.net there seems
to be no property in windows.forms called hwnd.
How can I get hwnd in vb.net?
Thanks

Without uninstalling an entire application, is it possible to uninstall its
shell extensions?  I have a few utility programs that I run that have
inserted themselves into various places in the shell (file context menus,  
start menu, etc.)

Is there a way to get a running service's associated process ID (PID)?
Any thanks would be greatly appreciated.

I am trying to find out where the registry entries are stored for various
settings, which do not seem to be documented anywhere, so that I can set
them programmatically; and wondered whether there was such a thing as a
registry tracker tool that would enable one to manually make a ...

When we create an object using:
CreateObject....
Set X.....
How do we then destroy the object?