/// <summary>
/// Attaches a HelpFrame instance to the layer for the given element.
/// </summary>
/// <param name="element">UIElement instance.</param>
private void Attach(UIElement element)
{
_attachedElement = element;
// Get the text that is associated with the element
this.Text = GetHelpText(element);
// get the HelpLayer
var panel = TreeHelpers.GetRootPanel();
var layer = GetLayer(panel);
if (layer != null)
{
// set the initial position of the frame
var pos = element.GetPosition(panel);
this.Margin = new Thickness(pos.X, pos.Y, 0, 0);
this.HorizontalAlignment = HorizontalAlignment.Left;
this.VerticalAlignment = VerticalAlignment.Top;
layer.AttachFrame(this);
}
}
