private string ConvertConditionToString(WqlCondition cond, string owner)
 {
     if (cond is WqlLogicalCondition)
     {
         return(string.Format("({0})", cond.ToStringWithOwner(owner)));
     }
     else
     {
         return(cond.ToStringWithOwner(owner));
     }
 }
 public WqlLogicalCondition(WqlCondition cond1, WqlLogicalOperator oper, WqlCondition cond2)
 {
     Condition1 = cond1;
     Condition2 = cond2;
     Operator   = oper;
 }