public PageHeader()
{
this.InitializeComponent();
PrimaryCommands = HeaderCommandBar.PrimaryCommands;
SecondaryCommands = HeaderCommandBar.SecondaryCommands;
this.Background = HeaderCommandBar.Background;
HeaderCommandBar.SetBinding(CommandBar.BackgroundProperty, new Binding
{
Path = new PropertyPath(nameof(Background)),
Source = this
});
Action updateEllipse = () =>
{
var controls = XamlUtil.AllChildren <Control>(HeaderCommandBar);
var buttons = controls.OfType <Button>();
var button = buttons.FirstOrDefault(x => x.Name.Equals("MoreButton"));
if (button != null)
{
var count = HeaderCommandBar.PrimaryCommands.OfType <Control>().Count(x => x.Visibility.Equals(Visibility.Visible));
count += HeaderCommandBar.SecondaryCommands.OfType <Control>().Count(x => x.Visibility.Equals(Visibility.Visible));
button.Visibility = (count > 0) ? Visibility.Visible : Visibility.Collapsed;
}
};
PrimaryCommands.VectorChanged += (s, e) => updateEllipse();
HeaderCommandBar.Loaded += (s, e) => updateEllipse();
}
public PageHeader()
{
this.InitializeComponent();
PrimaryCommands = HeaderCommandBar.PrimaryCommands;
SecondaryCommands = HeaderCommandBar.SecondaryCommands;
this.Background = HeaderCommandBar.Background;
HeaderCommandBar.SetBinding(CommandBar.BackgroundProperty, new Binding
{
Path = new PropertyPath(nameof(Background)),
Source = this
});
}