C# equivalent to iOS SDK NSDate and NSTimeInterval

Can anyone please tell me what is the C# equivalent to iOS SDK NS开发者_JAVA百科Date and NSTimeInterval ?

Read

• DateTime Structure
• TimeSpan Structure

Here is example:

• DateTime Subtraction Operator (DateTime, TimeSpan)

DateTime and TimeSpan. Both a part of system.

Have you looked at class/method mapping tools Microsoft has published?

• iPhone/iOS to WP7 mapping tool
• Android to WP7 mapping tool