private bool OnCheckUserSelected()
{
CheckAvailableEventArgs e = new CheckAvailableEventArgs();
if (CheckUserSelected != null)
CheckUserSelected(this, e);
return e.CanExecute;
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
public void CheckUserSelected(CheckAvailableEventArgs e)
{
e.CanExecute = hasUserBeenSelected;
}
