Dim OBJNavBar As NativeObject = NavControl
OBJNavBar.GetField("navigationBar").RunMethod("setBarTintColor:", Array(OBJNavBar.ColorToUIColor(Colors.Yellow)))
OBJNavBar.GetField("navigationBar").SetField("translucent", False)
Dim OBJToolBar As NativeObject = NavControl
OBJToolBar.GetField("toolbar").RunMethod("setBarTintColor:", Array(OBJToolBar.ColorToUIColor(Colors.Yellow)))
OBJToolBar.GetField("toolbar").SetField("translucent", False)