public enum Type
    {
        Specific,
        TopLeft,
        TopRight,
        BottomLeft,
        BottomRight,
        Middle
    }  



   public Type positionLeft = Type.Specific;    // 초기화
    public Type positionRight = Type.Specific;    // 초기화
     
     
      딴 메소드 에서 SetType를 두개 지정
     SetType (positionLeft);
     SetType (positionRight);
    .
    .
    .

   
   
    void SetType (Type position) {
    switch (position)
        {
            case position.BottomLeft:
                a = 1
                break;
            case position.BottomRight:
                a = 2
                break;
            case position.Middle:
                a = 3
                break;
            case position.TopLeft:
                a = 4
                break;
            case position.TopRight:
                a = 5
                break;
            case position.Specific:
                break;
        }
    }




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