VB Forum / Win API / August 2005

I downloaded some code from MS for "How to Minimize to Tray".  It uses the
Shell_NotifyIcon API call.
Occasionally the tray icon just disappears, even though when you check Task
Manager the process is still running.  If you try to restart the program, it

I've used WNetGetUser to get the logon name for the user running my
software, but is there a function that will get the name of the PC they are
using?
Regards...Andrew

Is there a way to "force" a particular file extension when saving a file using the Open / Save API.
My app needs to save a file as a bitmap .bmp
I have .sFilter set to .bmp but if I only enter a file name or a different extension
it will be saved exactly as entered

Hi friends,
Iam facing problem when passing array of structure to a function in vb
to vc++ dll.
i followed the steps given by the experts in google groups.

I am using several gdi32.dll functions to BitBlt an image into a Splash
screen picture box in a VB6 application meant to run only on XP. The app
runs fine on local machines but will not launch on a couple of off site
machines. I'm told the error message is: "Run Time error 5   - ...

Any thoughts/pointers on differentiating a physical printer from a virtual
printer (eg cutePDF)
I can't see any immediately obvious way to do this using API

 can anyone help me to find an method to read the labels on another
applications window? I can get the title text but I need to read a label to
refine the check to see if it is the correct winow. I'm trying to writting a
prog to dial a mobile to alert me when a job comes into my ...

I read this article: http://www.fengyuan.com/article/wmprint.html and I like
to implement this in VB6, I did this test and I get a black rectangle in the
clipboard, any one know what wrong or the way to get the image?
Private Const PRF_ERASEBKGND = &H8&

(CopyMemory is same as MoveMemory but name Copy better stands for action that is taken)
API GUIDE 3.7
============
Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pDst As Any, pSrc As Any, ByVal ByteLen As Long)

Is there a way to determine the absolute position of a control on the
screen?  Rather than just adding its position on the form to the form's
position, which is what I have done before which is unreliable, as it can
vary due to font size and desktop theme settings.

Here's my problem...  I have a macine on a workgroup and I want to move
it to a domain.  I set up a function in VB6 to use the NetJoinDomain
API call but it always gives me an error 1326 (ERROR_LOGON_FAILURE).
The problem is that I know the userID and Password work because I can

Sorry about double-posting this - I sent it to microsoft.public.vb.winapi in
error.
I have an application which draws closed shapes and flood-fills them with a
predefined colour.  It uses

I'm having a problem calling waveInOpen from a VB.NET application, every time
I call it I get a return value of 11 which is MMSYSERR_INVALPARAM.  
I can call waveInGetNumDevs and waveInGetDevCaps just fine.  Below is the
format of the waveInOpen call and WaveFormatEx structure.

i'm trying to lock an application to a specific computer . Can someone tell
me the best options to do that ?
Read the internal serial number of the hard disk, motherboard, ... ? How can
i do that ? I know there are some Api calls but they only work in Xp ...

I am working with VB6. (I know I have to port the solution over .NET) In the
mean time.
I am checking for the enter key in a text box, so I can make a search to the
database and bring back the results in a datagrid. The code is in the