要绑定UserControl内ListView的ItemsSource和SelectedValue,可以按照以下步骤操作:
private ObservableCollection myItems;
public ObservableCollection MyItems
{
get { return myItems; }
set
{
myItems = value;
OnPropertyChanged("MyItems");
}
}
private string selectedItem;
public string SelectedItem
{
get { return selectedItem; }
set
{
selectedItem = value;
OnPropertyChanged("SelectedItem");
}
}
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
public MyUserControl()
{
InitializeComponent();
DataContext = new MyUserControlViewModel();
}
通过以上步骤,就可以实现绑定UserControl内ListView的ItemsSource和SelectedValue。页面中的Items和SelectedItem属性需要在页面的ViewModel中定义和设置。