如何从C#中的Observable集合中删除项目

问题描述：

我正在开发 Windows Phone 应用程序，我想从列表框中删除项目.

I am working on windows phone app and I want to delete item from listbox.

我正在使用以下代码List numbers=new List();

I am using following code List numbers=new List();

 ObservableCollection<string> myCollection = new ObservableCollection<string>(numbers);
        int indexPerson = listBox1.SelectedIndex;
        myCollection.RemoveAt(indexPerson);
        var my = (ObservableCollection<string>)listBox1.ItemsSource;
        listBox1.ItemsSource=my;

当我点击删除按钮时，会根据索引删除一个项目，然后当我删除另一个项目时，会显示之前删除的项目，并删除当前删除的项目.

and when I click on delete button one item is deleted based on index and then when I will delete another item the previously deleted item is show and current deleted item is deleted.

如何删除所有项目?

答

如果你想清除所有项目，你可以使用

If you want to clear all items you can just use

myCollection.ClearItems()

如果您只想删除选定的项目而不是使用

if you want to remove just selected item than use

 myCollection.Remove(Listbox1.Selecteditem)

如何从C#中的Observable集合中删除项目

相关推荐