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What if they do not publish the function calls....how to work around it?
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It's called reveres engineering of the driver program. You could attempt to contact the company and see if they have published these function calls.
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I see...thanks for the answer.....
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Hi, I have been wondering how software houses create programs that can communicate with drivers in windows. Like a hardware that can take pictures, we can create a program that can ask the hardware to take pictures in different time intervals, change settings for it etc. &nbsp;
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Hi, I have been wondering how software houses create programs that can communicate with drivers in windows. Like a hardware that can take pictures, we can create a program that can ask the hardware to take pictures in different time intervals, change settings for it etc.  

What if they do not publish the function calls....how to work around it?

It&#39;s called reveres engineering of the driver program. You could attempt to contact the company and see if they have published these function calls.

How to work with drivers

Visual Basic .NET (VB.NET) is an object-oriented programming language implemented on the .NET framework, but also supported on other platforms such as Mono and Silverlight. Microsoft launched VB.NET as the successor to the Visual Basic language. Though it is similar in syntax to  Visual Basic pre-2002, it is not the same technology,