Questions tagged «selectionchanged»

16
ComboBox- SelectionChanged事件具有旧值,而不是新值
C#、. NET 4.0,VS2010。 WPF的新手。我的MainWindow上有一个ComboBox。我迷上了所述组合框的SelectionChanged事件。但是,如果我在事件处理程序中检查组合框的值,则它具有旧值。这听起来更像是“ SelectionChanging”事件,而不是SelectionChanged事件。 实际发生选择后,如何获得ComboBox的新值? 目前: this.MyComboBox.SelectionChanged += new SelectionChangedEventHandler(OnMyComboBoxChanged); ... private void OnMyComboBoxChanged(object sender, SelectionChangedEventArgs e) { string text = this.MyComboBox.Text; } 注意,如果我使用在事件args egeOriginalSource事件中传递的对象,则会得到相同的行为。
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