Disable/suppress warning CS0649 in C# for a specific field of class

Question

I have some fields in a C# class which I initialize using reflection. The compiler shows CS0649 warning for them:

Field foo' is never assigned to, and will always have its default valuenull' (CS0649) (Assembly-CSharp)

I'd like to disable the warning for these specific fields only and still let the warning be shown for other classes and other fields of this class. It is possible to disable CS0649 for the whole project, is there anything more fine-grained?

Answer 1

You could use #pragma warning to disable and then re-enable particular warnings:

public class MyClass
{
    #pragma warning disable 0649

    // field declarations for which to disable warning
    private object foo;

    #pragma warning restore 0649

    // rest of class
}

Refer to Suppressing “is never used” and “is never assigned to” warnings in C# for an expanded answer.

Answer 2

//disable warning here
#pragma warning disable 0649

 //foo field declaration

//restore warning to previous state after
#pragma warning restore 0649

Answer 3

I believe it's worth noting the warning can also be suppressed by using a field initializer. This clutters your code much less.

public class MyClass
{
    // field declarations for which to disable warning
    private object foo = null;

    // rest of class
}

Answer 4

public class YouClass
{
#pragma warning disable 649
    string foo;
#pragma warning restore 649
}