您可以從事件處理程序中的sender
參數中獲取ComboBox。
然後,您可以從ComboBox上的Parent
屬性中獲取ContextMenu。
然後最後從ContextMenu上的PlacementTarget
屬性標籤。
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
var label = new Label();
label.Content = "Click me!";
label.Name = "clickMe";
this.Content = label;
var cmb = new ComboBox();
cmb.Name = "combobox1";
cmb.Items.Add("Test1");
cmb.Items.Add("Test2");
cmb.Items.Add("Test3");
cmb.SelectionChanged += new SelectionChangedEventHandler(cmb_SelectionChanged);
var menu = new ContextMenu();
menu.Name = "contextmenu";
menu.Items.Add(cmb);
label.ContextMenu = menu;
}
private void cmb_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var cmb = (ComboBox)sender;
var contextmenu = (ContextMenu)cmb.Parent;
var label = (Label)contextmenu.PlacementTarget;
MessageBox.Show("Combobox: " + cmb.Name + Environment.NewLine +
"Contextmenu: " + contextmenu.Name + Environment.NewLine +
"Label: " + label.Name);
}
}
謝謝..彼得。工作得很好。 – SST