问题
I need to create button to call one contact number, that number is the default number and I will mention that number in button click event.
When I click on button need to dial that number in iPhone using MonoTouch.
回答1:
UIApplication.SharedApplication.OpenUrl(NSUrl.FromString("tel://1234567890"));
来源：https://stackoverflow.com/questions/8080810/how-to-create-auto-dialer-in-iphone-using-monotouch