Example 6
The macro declaration for CTL_CODE
#define CTL_CODE( DeviceType, Function, Method, Access ) ( \ ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \ )
C/C++
Accessing Device Drivers from C#
Device Drivers are written largely in C or C++. No explicit support for Device Driver communication is included in the current .NET framework. David implements support with C# and discusses how to access Win32 APIs using the Platform Invocation Services and how to make that reusable from within the .NET framework with Overloading.Related Reading
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