VB Forum / Win API / January 2006

Dear Sir,
I had developed system in which I am customising font using CreateFont
Function and it prints perfectly in Windows98 & some Windows XP system. But
in Some WindowsXP system it is not printing at all nor it is giving any

i've a problem using the printdlgw function that don't change the printer in
the dialog when i use DEVNAMES structure to pass another printer that isn't
the default. The uses always the default printer. What i'm making wrong?
Here is the code for that structure

I have a circle with lines drawn from the center to edge of circlef
orming a wedge. I am trying to fill that wedge with a color, but there
is some problems with this. I have declared the ExtFloodFill Lib "Gdi32..."
r = radius

If the Shell function cannot find the file specified - what is the return
value? The docs only says "an error occurs".

Could someone please point me to a reference source for OpenGL when used
with VB5. I want to construct wire frame geometry using lines described as
(Xstart,Ystart,Zstart,Xend,Yend,Zend) then change the view angle to say
isometric etc

If I have a form which has a number of visible graphic lines, drawn using
the VB line command, is it possible to interact with the form using the
mouse pointer and extract the line properties ie its start and end point
values ??

have anyone been able to do a "true" glass form?
That is I would need to do a form that behaves exactly as a pane of glass.
You can see the underlaying windows but you cant touch them. I have seen
many examples of transparent forms that works as holes but since they pass

Is it possible to programmaticaly move the mousecursor and then
generate a mouseclick, just asif the user had moved the mouse and
pressed the button?
The target can be anywhere on the screen outside my VB-application.

I have the following code in a small VB6 app:
Private Sub CloseApp(Byval AppTitle as String)
   Dim hWindow As Long
   Dim lngReturnValue As Long

Good afternoon,
is it possible to define a color when using the DrawEdge function?
Thanks for any hint.
Best regards

I'm trying to postmessage to a button control in one app from another
running app.  I want to be able to control the'Shift' parameter of the
event handler for the button.  I'm sending the message to the MouseUp
handler.  It gets there fine, but I want to set/clear the button based ...

My progrs.,
There is another problem i have with vb; i.e to disable the mouse click
esp the left mouse. I designed a form and I want the form only to
respond to the mouse click and outside this the mouse click should b

I need to determine the color of a few pixels on the sceen. Those
pixels can be anywhere on the screen, also outside the VB-form, or even
just the desktop...
Anyone can help me with this?

I have 2 VB.NET applications that need to be able to see the same area of
memory (shared memory).  I am unable to find any VB.NET examples for using
the CreateFileMapping,MapViewOfFile API calls.  In VB6, we can create file
mappings for memory, how do you do it in VB.NET?