/// <summary>
/// Detaches the given frame from the layer.
/// </summary>
/// <param name="frame">HelpFrame instance to detach.</param>
internal void DetachFrame(HelpFrame frame)
{
_frames.Remove(frame);
if (_container != null)
{
_container.Children.Remove(frame);
}
}
/// <summary>
/// Attaches the frame to the given element.
/// </summary>
/// <param name="element">FrameworkElement instance.</param>
private static void AttachFrame(FrameworkElement element)
{
// get the HelpLayer instance
var panel = TreeHelpers.GetRootPanel();
if (panel != null)
{
var layer = GetLayer(panel);
if (layer == null)
{
// create a new layer
layer = new HelpLayer();
SetLayer(panel, layer);
layer.AttachToPage(panel);
}
// create a new frame and attach it to the layer
var frame = new HelpFrame();
frame.Attach(element);
}
}
/// <summary>
/// Attaches the given frame to the layer.
/// </summary>
/// <param name="frame">HelpFrame instance to attach.</param>
internal void AttachFrame(HelpFrame frame)
{
_frames.Add(frame);
}