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    <p>By default Menus don't support this, but by little modifications, you can easily implement this behavior.</p> <p>For example:</p> <pre><code>public class AutoHideMenuItem : MenuItem { DispatcherTimer timer; private Int32 _autoHideDelay; public Int32 AutoHideDelay { get { return _autoHideDelay; } set { _autoHideDelay = value; timer.Interval = TimeSpan.FromSeconds(AutoHideDelay); } } public AutoHideMenuItem() { MouseMove += new MouseEventHandler(AutoHideMenuItem_MouseMove); ContextMenuOpening += new ContextMenuEventHandler(AutoHideMenuItem_ContextMenuOpening); SubmenuClosed += new RoutedEventHandler(AutoHideMenuItem_SubmenuClosed); timer = new DispatcherTimer(DispatcherPriority.Normal, Dispatcher); timer.Interval = TimeSpan.FromSeconds(AutoHideDelay); timer.Stop(); timer.Tick += new EventHandler(timer_Tick); } void timer_Tick(object sender, EventArgs e) { if (IsSubmenuOpen &amp;&amp; !IsMouseOver) { IsSubmenuOpen = false; } } void AutoHideMenuItem_MouseMove(object sender, MouseEventArgs e) { timer.Stop(); timer.Start(); } void AutoHideMenuItem_ContextMenuOpening(object sender, ContextMenuEventArgs e) { timer.Start(); } void AutoHideMenuItem_SubmenuClosed(object sender, RoutedEventArgs e) { timer.Stop(); } } </code></pre> <p>Can be used like:</p> <pre><code> &lt;local:AutoHideMenuItem Header="File" AutoHideDelay="3"&gt; &lt;MenuItem Header="New"&gt;&lt;/MenuItem&gt; &lt;MenuItem Header="Open"&gt;&lt;/MenuItem&gt; &lt;MenuItem Header="Close"&gt;&lt;/MenuItem&gt; &lt;MenuItem Header="Exit"&gt;&lt;/MenuItem&gt; &lt;/local:AutoHideMenuItem&gt; </code></pre> <p>Which will close this menu after 3 seconds. Of course its rough code and you will need to make changes to it to suit your scenario.</p>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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