public void SetCommandBar(CommandBar commandBar)
{
if (_commandBarVisibilityToken > 0)
{
_commandBar.UnregisterPropertyChangedCallback(CommandBar.VisibilityProperty, _commandBarVisibilityToken);
_commandBarVisibilityToken = -1;
}
_commandBar = commandBar;
if (_isInitialized)
{
if (_commandBar != null)
{
_commandBarVisibilityToken = _commandBar.RegisterPropertyChangedCallback(CommandBar.VisibilityProperty, OnCommandBarVisibilityChanged);
}
_commandBarContainer.Content = _commandBar;
SetCommandBarVerticalAlignment(this.CommandBarVerticalAlignment);
}
}