Blocks execution of the current thread until the receiver finishes.
Original signature is '- (void)waitUntilFinished'
Available in Mac OS X v10.6 and later.

C# | Visual Basic | Visual C++ |
public virtual void WaitUntilFinished()
Public Overridable Sub WaitUntilFinished
public: virtual void WaitUntilFinished()

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)