/// <summary>
/// The register tooltip.
/// </summary>
/// <param name="owner">
/// The owner.
/// </param>
/// <param name="p">
/// The p.
/// </param>
private static void RegisterTooltip(UIElement owner, object p)
{
if (owner == null)
{
return;
}
lock (Locker)
{
if (ElementsAndToolTips.ContainsKey(owner))
{
return;
}
}
var element = owner as FrameworkElement;
PinnableTooltip toolTip = null;
if (p != null)
{
toolTip = p as PinnableTooltip ?? ConvertToTooltip(p);
toolTip.SetOwner(owner);
}
if (element != null)
{
element.Unloaded += FrameworkElementUnloaded;
if (toolTip != null)
{
toolTip.DataContext = element.DataContext;
}
}
owner.MouseEnter += OnElementMouseEnter;
owner.MouseLeave += OnElementMouseLeave;
var control = owner as Control;
if (control != null)
{
control.IsEnabledChanged += OnControlEnabledChanged;
}
lock (Locker)
{
ElementsAndToolTips[owner] = toolTip;
}
}
/// <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;
toolTip.DataContext = null;
}
owner.MouseEnter -= OnElementMouseEnter;
owner.MouseLeave -= OnElementMouseLeave;
var control = owner as Control;
if (control != null)
{
control.IsEnabledChanged -= OnControlEnabledChanged;
}
toolTip.IsOpen = false;
toolTip.SetOwner(null);
ElementsAndToolTips.Remove(owner);
}
}
catch (Exception)
{
}
}