void ExecuteNav(NavigationButtonInfo commandInfo)
{
if (commandInfo == null)
{
throw new NullReferenceException("CommandParameter is not set");
}
if (ShellSplitView.DisplayMode == SplitViewDisplayMode.Overlay ||
ShellSplitView.DisplayMode == SplitViewDisplayMode.CompactOverlay)
{
ShellSplitView.IsPaneOpen = false;
}
try
{
// navigate only to new pages
if (commandInfo.PageType != null && NavigationService.CurrentPageType != commandInfo.PageType)
{
NavigationService.Navigate(commandInfo.PageType, commandInfo.PageParameter);
}
}
finally
{
if (commandInfo.ClearHistory)
{
NavigationService.ClearHistory();
}
}
}
static void ContentChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
NavigationButtonInfo navButton = (NavigationButtonInfo)d;
UIElement oldValue = e.OldValue as UIElement;
UIElement newValue = e.NewValue as UIElement;
if (oldValue != null)
{
BindingOperations.SetBinding(oldValue, UIElement.VisibilityProperty, null);
}
if (newValue != null)
{
BindingOperations.SetBinding(newValue, UIElement.VisibilityProperty, new Binding()
{
Source = navButton, Path = new PropertyPath("Visibility")
});
}
Control oldControl = e.OldValue as Control;
Control newControl = e.NewValue as Control;
if (oldControl != null)
{
BindingOperations.SetBinding(oldControl, Control.IsEnabledProperty, null);
}
if (newControl != null)
{
BindingOperations.SetBinding(newControl, Control.IsEnabledProperty, new Binding()
{
Source = navButton, Path = new PropertyPath("IsEnabled")
});
}
}
void ExecuteNav(NavigationButtonInfo commandInfo)
{
if (commandInfo == null)
{
throw new NullReferenceException("CommandParameter is not set");
}
try
{
Selected = commandInfo;
}
finally
{
if (commandInfo.ClearHistory)
{
NavigationService.ClearHistory();
}
}
}
void ExecuteNav(NavigationButtonInfo commandInfo)
{
if (commandInfo == null)
{
throw new NullReferenceException("CommandParameter is not set");
}
try
{
// navigate only to new pages
if (commandInfo.PageType != null && NavigationService.CurrentPageType != commandInfo.PageType)
{
NavigationService.Navigate(commandInfo.PageType, commandInfo.PageParameter);
}
}
finally
{
if (commandInfo.ClearHistory)
{
NavigationService.ClearHistory();
}
}
}