VB Forum / Win API / February 2005

I'm planning on adding image layer support to a large graphics project
I'm working on, but not sure what is the best way to go about it. Does
anyone know a good method or can point me to a reference on the web?

Funktion sndPlaySoundA geht nicht mehr mit neustem XP Service Pack
Seit dem ich das neuste Service pack von XP aufgespielt habe, können mit der
API-Funktion sndPlaySoundA  nur noch ein Teil der WAV Dateien abgespielt
werden. Bei vielen kommt nur ein Beep. Warum?

Has anyone used the following:
GetProcessAffinityMask
SetProcessAffinityMask
It's the bit vector part I'm confused on, exactly how does it look and

How do I:
1) Create a new email with using the user's default email client, I
don't need any fields filled in like the To: or CC:
2) Attach a specified file, or many specified files to the email.

I like to read some "data" from the registry and found out that I need to
use some Winapis like
RegOpenKey,RegEnumKey,RegEnumValue etc..
At the moment I have problems understanding the structure of the registry,

The DIR function fails with Error 52 Bad file name if the folder has a
name containing foreign characters. Is there an api which can be used to
ascertain if a folder exists which also works on such folder names?
Thank you

Is it possible to get the HARDWARE serial number of a
disk drive using VB ?
Please note emphasis on the word hardware !

Hello
I want to rename a key which has under-keys.
I can remove keys.  I can create a key.  But if there are under-keys that
does not go.

This is from the documentaiton:
function oziMapDblClickON(p:TMapDblClickCallback):integer;stdcall;
and the Callback Procedure
procedure MapDblClickCallback(var oType:pchar; x,y:integer;

I'm not sure what the technical name for this so bare with me.
I am looking for the API's which control the type of notification Windws XP
performs in the right tray icon area of the taskbar.
For example it would popup and say "There are new Windows update

Could someone explain the access differences to the image in the picture
box. I remember that there is a difference between the surface image and the
background image that you see in a picture control.
I am copying part of my form to picture1

Sometimes an apparent lack of video memory prevents my image control from
being able to display a small jpg and even thought the image control resizes
itself to the correct new dimentions, the display area is solid black. I'm
looking for a way (other than visual inspection) to ...

I have the following code below which works well however I wonder why does it
cause a 3-4 second delay in the system?
Is there anyway to avoid this slowdown? Talking about a 3GHz + P4 testbed platform here.....
****

PROBLEM:
Want to retain tool line Foreground color (any of 15 QB Colors) on MS
Metalic gray background (&H8000000F&) when placing or dragging the line.
Background

I am going to make a checksum (use Exclusive or) for a string using VB for
serial port communication. Does any expert know how to do it? Thanks in
advance.
I know for C is something like this. But VB can not XOR character so it is a