How to check if a PCI device is disabled from an application

NTDEV
1

How an application can check if a PCI device is disabled/enabled (done from Device Manger) ?

2

If you are using C# then WMI is very easy to use and the Win32_SystemDriver class will indicate a State of ‘Stopped’ for a disabled device.

3

Thanks Mark. Mine is a C++ application.

4

Then unfortunately you can use the devcon sample code to do this the hard way.

5

You can still use WMI in C / C++, but the SetupDI API is the standard way.

6

You can still use WMI in C / C++

You can, but if you ever have had the misfortune to have to do this, it is not something you are likely t5o recommend.

7

I have never used WMI from any language other than C. Like all COM interfaces it is much easier to use in C++ than in C. The Setup DI APIs are much simpler I think.

In my shop, we use a lot of C#. Probably the most used of any language. But I have had the misfortune to have to use a lot of stuff