List <string> INotifyPropertyChanged事件

我有一個簡單的類與一個字符串屬性和List屬性，我有INofityPropertyChanged事件實現，但當我做一個.Add添加到字符串列表這個事件沒有命中，所以我的轉換器顯示在ListView沒有被擊中。我猜屬性改變沒有命中一個添加到列表....我怎麼能實現這個方式來獲得該屬性更改事件命中？List <string> INotifyPropertyChanged事件

我是否需要使用其他類型的集合？

感謝您的幫助！

namespace SVNQuickOpen.Configuration 
{ 
    public class DatabaseRecord : INotifyPropertyChanged 
    { 
     public DatabaseRecord() 
     { 
      IncludeFolders = new List<string>(); 
     } 

     #region INotifyPropertyChanged Members 

     public event PropertyChangedEventHandler PropertyChanged; 

     protected void Notify(string propName) 
     { 
      if (this.PropertyChanged != null) 
      { 
       PropertyChanged(this, new PropertyChangedEventArgs(propName)); 
      } 
     } 
     #endregion 

     private string _name; 

     public string Name 
     { 
      get { return _name; } 

      set 
      { 
       this._name = value; 
       Notify("Name"); 
      } 
     } 

     private List<string> _includeFolders; 

     public List<string> IncludeFolders 
     { 
      get { return _includeFolders; } 

      set 
      { 
       this._includeFolders = value; 
       Notify("IncludeFolders"); 
      } 
     } 
    } 
}

來源

2011-12-12 theDoke

您應該使用ObservableCollection<string>，而不是List<string>。在你的情況下，我只能使_includeFolders只讀 - 你可以隨時使用該集合的一個實例。

public class DatabaseRecord : INotifyPropertyChanged 
{ 
    private readonly ObservableCollection<string> _includeFolders; 

    public ObservableCollection<string> IncludeFolders 
    { 
     get { return _includeFolders; } 
    } 

    public DatabaseRecord() 
    { 
     _includeFolders = new ObservableCollection<string>(); 
     _includeFolders.CollectionChanged += IncludeFolders_CollectionChanged; 
    } 

    private void IncludeFolders_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e) 
    { 
     Notify("IncludeFolders"); 
    } 

    ... 

}

來源

2011-12-12 05:09:42 bniwredyc

這是錢！謝謝！ – theDoke

**爲什麼**應該使用'ObservableCollection'？ – C4u

@ C4u它可以用於WPF中的數據綁定（MVVM模式） – bniwredyc