Can Reflection Access Private Class Fields?

Using Reflection to Access Private Class Members

Problem:

Is it possible to use Reflection to access a class's private fields, for example, the _bar field in the code below?

<code class="language-csharp">class Foo
{
    [SomeAttribute]
    private string _bar;

    public string BigBar
    {
        get { return this._bar; }
    }
}</code>

Solution:

Yes, Reflection allows access to private fields. Here's how to retrieve private fields using BindingFlags:

<code class="language-csharp">FieldInfo[] fields = myType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance);</code>

BindingFlags.NonPublic includes non-public members (like private fields), and BindingFlags.Instance ensures only instance fields are returned. The fields array will then contain the private _bar field.

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