ContextAction MenuItem icon not showing in iOS

I'm developing PCL based solution using Xamarin.Forms. I added ContextAction to listview. I have delete MenuItem with trash icon in ContextActions. The trash icon not showing in iOS not platform.But in android its working fine. the iOS not support MenuItem icon?
My XAML code is
<ViewCell.ContextActions>

<MenuItem Clicked="OnDeleteMenu" Icon="dustbin.png" Text="Delete" IsDestructive="true" CommandParameter {Binding .}" />
</ViewCell.ContextActions>

i am using latest Xamarin.Forms.Please Anyone give the solution

Thanks,
Mahabaleshwar Hegde