Google turned up this,
http://dftuz.unizar.es/~rivero/alumnos/vmouse.html
appears to be complete with source (gpl)

Other than that, the way to get video from cameras is via DirectShow, so
download the DirectX SDK and you should be set :)

/Patrik

Denny Esterline wrote:
> I've been thinking of a project for a while now where I would need to get
> live images from a camera into VB so I could do object detection.
>
> I haven't decided on a camera yet, but it'll probably just be a cheap USB
> webcam. The camera will be looking at a blank wall with a lased diode dot.
> I need to 'find' the dot and produce relative X and Y coordinates.
>
> Cycling through the bits of an image is straightforward enough, but I'm not
> sure how to read the images from the camera.
>
>
> Suggestions?
>
> -Denny
>
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