VB Forum / Win API / February 2004

Can anyone show me what VB .NET language is required to send a structure with an array to a unmanaged code function that needs the structure elements in contiguous memory locations?  I've tried some recommendations but those have failed.  I'd really like to SEE an example that ...

Am after getting pages from net.
am after pulling in a range of pages off a web site.
this info got from dropdown of form where action = 'get' thus all submitted
info is part of the url using InternetOpenUrl and InternetReadFile to loop

OK, here's what I have:
I'm writing an app to display a user's image files.  They're map squares
he's bought from some licenser, and they come in GIF format.  Each one only
covers a small area, so I've written an app to display 3x3, 5x5 or 10x10

I am trying to find a way to use Allocconsole and open a DOS session
using the the extra parameters in a pif file like memory settings.
when I try to launch the PIF using create process I am getting an
error message

   DazTask = ShellExecute(hDade, vbNullString, DazzleExePath, 0&,
DazzlePath, SW_MINIMIZE)
   DoEvents
   hDade = Application.hWndAccessApp               'Get Dade application

I'm porting an application from VB 4(16 bit) to VB 4(32 bit) and can't get
the code correct to close my application's Help file.  I'm running under
Windows XP.
The Help file is opened with the following line in the MDI file (FTSS is the

Hi every one,
I am experimenting with "PtInRegion" WinAPI, I want my form to be red if the
mouse inside a specific region and yellow if it is out side that region.
The problem is my form turns red as soon as the mouse hits anywhere.  Can

I'm trying to create a dll in VB.NET, the DLL needs to be a C type DLL, i.e. not an Active X Dll..
an example in C would be...
Example - test_ep.c
#include

Can anyone give the API code to obtain a unique computer id (such as CPU serial number or harddisk serial number which cannot be changed - do not opt for TCP/IP or Machine Name which can be changed)
Thanx
RAJ.

I'm trying to get the local MAC address and have found the code on
Microsoft's web site under Q175472 HOWTO: Get Network Adapter Address from
Visual Basic. I find this works under W2K SP4, but not under WinXP SP1. This
example uses NetBIOS and I'm running VB6 SP5. Any ideas why this ...

All,
I can create a PNG at runtime but as yet don't know how to control the
transparency. I have an ASP that creates images (PNG) on the fly, however
there is now a need for these to have a transparent background. How do I do

Where can I find the AutoComplete Form entries? For IE5 and IE6?

Generally in VB, in order to pass a variable to a function by reference
(which, AFAIK, means you are passing the address of the variable and not the
variable directly) , you use the default ByRef keyword. Can someone explain,
then, why is it that in passing strings to API functions, ...

Hi everbody,
What is the Handle property of the StdPicture class? Is it the hWnd, DC or
Bitmap??
Thanks,

I want to resize a usercontrol according to the width and height of the text
it contains. I have a property called Text and in the Let procedure, I use
GetTextExtentPoint32 to get the width & height of the text, then I proceed
to set scalewidth & scaleheight accordingly....