How can I get the name of a C# static class property using reflection?

Question

I want to make a C# Dictionary in which the key is the string name of a static property in a class and the value is the value of the property. Given a static property in th

Answer 1

If all you want is just to be able to refer to a single, specific property in one place in the code without having to refer to it by a literal string, then you can use an expression tree. For example, the following code declares a method that turns such an expression tree into a PropertyInfo object:

public static PropertyInfo GetProperty(Expression> expr)
{
    var member = expr.Body as MemberExpression;
    if (member == null)
        throw new InvalidOperationException("Expression is not a member access expression.");
    var property = member.Member as PropertyInfo;
    if (property == null)
        throw new InvalidOperationException("Member in expression is not a property.");
    return property;
}

Now you can do something like this:

public void AddJavaScriptToken(Expression> propertyExpression)
{
    var p = GetProperty(propertyExpression);
    _javaScriptTokens.Add(p.Name, (string) p.GetValue(null, null));
}

public void RegisterJavaScriptTokens()
{
    AddJavaScriptToken(() => Tokens.TOKEN_ONE);
    AddJavaScriptToken(() => Tokens.TOKEN_TWO);
}