Called to discard the contents of the receiver if the value of the accessed counter is 0.
Original signature is '- (void)discardContentIfPossible'
Available in Mac OS X v10.6 and later.

C# | Visual Basic | Visual C++ |
void DiscardContentIfPossible()
Sub DiscardContentIfPossible
void DiscardContentIfPossible()

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