C# (CSharp) Privileges.Contains示例

示例#1

 private void Privileges_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
 {
     Privileges.CollectionChanged         -= Privileges_CollectionChanged;
     SelectedPrivileges.CollectionChanged -= SelectedPrivileges_CollectionChanged;
     SelectedPrivileges = new ObservableCollection <Privilege>(SelectedRole.Privileges.Where(x => !Privileges.Contains(x)));
     SelectedPrivileges.CollectionChanged += SelectedPrivileges_CollectionChanged;
     Privileges.CollectionChanged         += Privileges_CollectionChanged;
 }