/// <summary>
/// The unregister toolTip.
/// </summary>
/// <param name="owner">The owner.</param>
private static void UnregisterToolTip(UIElement owner)
{
try
{
if (owner == null)
{
return;
}
lock (Locker)
{
PinnableToolTip toolTip = null;
if (ElementsAndToolTips.ContainsKey(owner))
{
toolTip = ElementsAndToolTips[owner];
}
else
{
return;
}
var element = owner as FrameworkElement;
if (element != null)
{
element.Unloaded -= FrameworkElementUnloaded;
if (toolTip != null)
{
toolTip.SetValue(FrameworkElement.DataContextProperty, null);
}
}
owner.MouseEnter -= OnElementMouseEnter;
owner.MouseLeave -= OnElementMouseLeave;
var control = owner as Control;
if (control != null)
{
control.IsEnabledChanged -= OnControlEnabledChanged;
}
if (toolTip != null)
{
toolTip.Hide();
toolTip.Owner = null;
}
ElementsAndToolTips.Remove(owner);
}
}
catch (Exception)
{
// Ignore
}
}
/// <summary>
/// The framework element unloaded.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The e.</param>
private static void FrameworkElementUnloaded(object sender, RoutedEventArgs e)
{
var element = (UIElement)sender;
PinnableToolTip toolTip = null;
lock (Locker)
{
if (ElementsAndToolTips.ContainsKey(element))
{
toolTip = ElementsAndToolTips[element];
}
}
toolTip?.Hide();
}