private static void DisposeTooltip()
{
if (s_popup != null)
{
// Clear the ToolTip's Content in case it has control content: this will
// reset its visual parent allowing it to be used again.
((ToolTip)s_popup.Content).Content = null;
// Dispose of the popup.
s_popup.Dispose();
s_popup = null;
}
}
/// <summary>
/// Called when the pointer leaves a control with an attached tooltip.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
private static void ControlPointerLeave(object sender, PointerEventArgs e)
{
var control = (Control)sender;
if (control == s_current)
{
if (s_popup != null)
{
// Clear the ToolTip's Content in case it has control content: this will
// reset its visual parent allowing it to be used again.
((ToolTip)s_popup.Content).Content = null;
// Dispose of the popup.
s_popup.Dispose();
s_popup = null;
}
s_show.OnNext(null);
}
}