/// <summary>
/// Coerces IsEnabled
/// </summary>
/// <param name="d"></param>
/// <param name="basevalue"></param>
/// <returns></returns>
private static object CoerceFocusable(DependencyObject d, object basevalue)
{
RibbonControl control = (d as RibbonControl);
if (control != null)
{
Ribbon ribbon = control.FindParentRibbon();
if (ribbon != null)
{
return(((bool)basevalue) && ribbon.Focusable);
}
}
return(basevalue);
}