ContextMenu
<ListBox Name="lsTest">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel Orientation="Horizontal" />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
<ListBox.ContextMenu>
<ContextMenu>
<MenuItem Header="_File">
<MenuItem Header="_New。¡ê。¡ê。¡ê"></MenuItem>
<MenuItem Header="_Open。¡ê。¡ê。¡ê"></MenuItem>
<Separator />
<MenuItem Header="Send To">
<MenuItem Header="Mail Recipient" />
<MenuItem Header="My Documents" />
</MenuItem>
</MenuItem>
<MenuItem Header="_Edit" >
</MenuItem>
<MenuItem Header="_View" >
</MenuItem>
</ContextMenu>
</ListBox.ContextMenu>
<ListBoxItem>Item1</ListBoxItem>
<ListBoxItem>Item2</ListBoxItem>
<ListBoxItem>Item3</ListBoxItem>
</ListBox>