/// <summary>
 /// 验证验证码是否过期
 /// </summary>
 /// <returns></returns>
 public bool isValid()
 {
     if (Common.Versions == Versions.SoftwareVersions.Pro)
     {
         return(TrialValidation.IsValidated());
     }
     else
     {
         return(true);
     }
 }
 public bool RemoveTrialVersion()
 {
     return(TrialValidation.RemoveTrialKey());
 }