구조체 값 변경하기 Struct value modify

출처1 : http://www.devpia.co.kr/MAEUL/Contents/Detail.aspx?BoardID=18&MAEULNO=8&no=1497&page=20
출처2 : http://debop.egloos.com/viewer/2876164
출처3 : http://community.bartdesmet.net/blogs/bart/archive/2006/09/28/4473.aspx
출처4 : http://www.nullskull.com/articles/20030114.asp

protected SumYearList SetSumYear(SumYearList s, string key, int value)

{

    Type t = s.GetType();

    System.Reflection.FieldInfo[] fList = t.GetFields();

    foreach (System.Reflection.FieldInfo info in fList)

    {

        if (info.Name == key)

        {

            int tmp = (int)info.GetValue(s) + value;

            info.SetValueDirect(__makeref(s), tmp);

            //info.SetValue(s, tmp);

           

        }

    }

 

    return s;

}