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What does the following code mean and what does it do? Is it really required?
#if !USING_NET11
using System.Runtime.InteropServices.ComTypes;
#endif
In my project file I have implemented the web cam capture using the dshownet wrapper. The above code was there in the Form1.cs file.
It means that:
will only be compiled into the assembly if the symbol USING_NET11 is false.
Since System.Runtime.InteropServices.ComTypes was added in .NET 2.0, this directive means that the code will still compile against .NET 1.1 since the new reference won’t be compiled in.