Returns the interval between the receiver and the first instant of 1 January 1970, GMT.
Original signature is '- (NSTimeInterval)timeIntervalSince1970'
Available in Mac OS X v10.0 and later.
Assembly: Monobjc.Foundation (Module: Monobjc.Foundation)
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)