VB Forum / Win API / July 2004

I'm trying to create a form that has for columns and scrolls as it is filled.  I want it to look and act like a list box but I want four columsn with a vertical slide bar on the right side.  
I chose the use of a datagrid with four columns and I'm using column headers.  I use the ...

Is there a way of checking if a form is loaded without loading it if it is
not?

I need to have a vbModal form in the task bar. I know this is posable but i
cant seem to figure out how to do it.
I know this is sort of aggainst windows idears for having a form loaded
modal with nothing behind them. I understand the consept of it being

Is there any way to vary the brightness of my whole computer screen using VB6?
I am a beginner, so please include all code required (i.e. including all declarations etc).
Thank you

how can I assign a 256 color icon to the Icon property of vb Form in
runtime?
I tried using LoadPicture, but this only works with 16 color icons,
and if it 256 it converting it to 16 color. There is no problem to do

I am using Windows XP. I am trying to control Microphone Volume through vb
code. I have downloaded two different source codes but noticed that although
they can control the Master Volume, Wave Volume etc (Play Section) but they
cant set/get Microphone Volume, Line In etc. (Record ...

Has anyone here successfully used the CB_GETLBTEXT message with a
DriveListBox?
The following code generates a GPF on the SendMessage call to the
DriveListBox I'm querying. Assume mlngHwndDriveList is the hWnd of the

I'm using the shBrowseForFolder
Using code for callbacks from various sites (ccrp, vbnet etc) setting the
intial selected folder (not the root one) fails in Korean XP systems, on
long paths,. but works in Korean Win98 systems and all USA UK French &

         Which API controls that?
My code can enumerate all audio devices, but I need to set selected device
as default.
Jack

           I have this strange problem.
When querrying device:
   wvformat.wFormatTag = WAVE_FORMAT_PCM
   wvformat.nChannels = 1

I have a really strange problem on my hands when recording a sound from the
phone line.
The wave format I want to use is:
   wvformat.wFormatTag = WAVE_FORMAT_PCM

KB-175261
(http://support.microsoft.com/default.aspx?scid=kb;en-us;175261&Product=vbb)
describes how to make a DLL in VB that displays a picture from a database on
a web-page.

Dear Gurus...
I have a dire problem - been working on this for days now.  It's the
undocumented API's for NTDLL.dll - namely NtOpenSection, NtMapViewOfSection,
NtUnmapViewOfSection, CloseHandle and CopyMemory.  Code listing 1 shows the

I am still searching for a way to create snapshots from a
System.Windows.Forms.Control without copying the picture information of the
screen, because the snapshot shall also be taken from a control that is not
visible on

i am thinking to use a function from a DLL
this is what i did already:
-------------------------------------------------------------
Dim dllHandler As Long