protected override void Dispose(bool disposing)
{
if (disposing)
{
if (NavigationController != null)
{
NavigationController.PushRequested -= OnPushRequested;
NavigationController.PopRequested -= OnPopRequested;
NavigationController.PopToRootRequested -= OnPopToRootRequested;
NavigationController.RemovePageRequested -= OnRemovedPageRequested;
NavigationController.InsertPageBeforeRequested -= OnInsertPageBeforeRequested;
}
_toolbarTracker = null;
if (_currentPage != null)
{
_currentPage.PropertyChanged -= OnCurrentPagePropertyChanged;
_currentPage = null;
}
if (_currentStack != null)
{
_currentStack.ForEach(s => s.Dispose());
_currentStack = null;
}
}
base.Dispose(disposing);
}
public NavigationPageRenderer()
{
_currentStack = new FormsStack <NavigationChildPage>();
_toolbarTracker = new GtkToolbarTracker();
}