//Sets the title position to end

CustomNavigationPage.SetTitlePosition(this, CustomNavigationPage.TitleAlignment.End);

//Sets shadow for bar bottom

CustomNavigationPage.SetHasShadow(this,true);

//Gets if has shadow or not

bool hasShadow = CustomNavigationPage.GetHasShadow(this);

//Sets the title text font to Micro
CustomNavigationPage.SetTitleFont(this, Font.SystemFontOfSize(NamedSize.Micro));

//Sets the title color
CustomNavigationPage.SetTitleColor(this,Color.Navy);

//Sets bar background
CustomNavigationPage.SetBarBackground(this, Device.RuntimePlatform == Device.iOS ? "monkeybackground.jpg": "monkeybackground");

//Sets bar background opacity
CustomNavigationPage.SetBarBackgroundOpacity(this,0.6f);