CODEWITHSUNDEEP
c#.netcsharpcodeprovider
sharptooth
sharptooth

Reputation: 170499

What happens if I don't specify CompilerVersion with CSharpCodeProvider and why do most samples specify it?

Typical code samples using CSharpCodeProvider pass CompilerVersion parameter. Code from here:

var codeProvider =
    new CSharpCodeProvider(
       new Dictionary<String, String> { { "CompilerVersion", "v3.5" } });

I've tried to pass an empty dictionary and also tried to call the parameterless constructor of CSharpCodeProvider and the result is the same.

So what happens internally if I don't specify `CompilerVersion? Why do most samples specify it at all times?

Upvotes: 3

Views: 758

Answers (1)

Simon Whitehead
Simon Whitehead

Reputation: 65079

The documentation states that it gets it from either the machine.config or the web.config specified in your framework config folder.

For example, my Framework64/config/web.config file contains this:

<compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
        <providerOption name="CompilerVersion" value="v4.0"/>
        <providerOption name="WarnAsError" value="false"/>
    </compiler>

Upvotes: 2

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