从组合框 WPF 中获取所选项目
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Get selected item from combobox WPF
提问by Joozty
How can I get selected value from combobox in c#?
如何从 C# 的组合框中获取选定的值？
I tried somthing like this:
我试过这样的事情：
XAML
XAML
<ComboBox x:Name="comboBox" SelectionChanged="comboBox_SelectionChanged_1" >
<ComboBoxItem Name="Brno" IsSelected="True" Content="Brno"/>
<ComboBoxItem Name="Item2" Content="Item2"/>
<ComboBoxItem Name="Item3" Content="Item3"/>
</ComboBox>
C#
C＃
private void comboBox_SelectionChanged_1(object sender,
System.Windows.Controls.SelectionChangedEventArgs e)
{
MessageBox.Show(comboBox.SelectedValue.ToString());
}
Message box shows me this System.Windows.Controls.ComboboxItem: Item2
消息框向我显示了这个System.Windows.Controls.ComboboxItem: Item2
I need only to show Item2
我只需要显示Item2
How can I do this?
我怎样才能做到这一点？
Thanks
谢谢
回答by haindl
You need to get the ComboBoxItemfrom the SelectedItemand cast the Content(in your case) to a string:
您需要获得ComboBoxItem来自SelectedItem和铸Content（你的情况）到string：
private void comboBox_SelectionChanged_1(object sender,
System.Windows.Controls.SelectionChangedEventArgs e)
{
string content = ((ComboBoxItem)comboBox.SelectedItem).Content as string;
if (content != null)
MessageBox.Show(content);
}
