I forgot to send this to the list.
Begin forwarded message: > From: koko <[email protected]> > Date: September 21, 2011 8:50:29 PM MDT > To: Jens Alfke <[email protected]> > Subject: Re: Passing NSPrintOperation* to CPP Function > > > On Sep 21, 2011, at 8:45 PM, Jens Alfke wrote: > >> >> On Sep 21, 2011, at 7:34 PM, koko wrote: >> >>> class BPrinter >>> { >>> void Setup(NSPrintOperation* pOperation); >>> }; >> >> How did you declare NSPrintOperation in this header? > > #import <Cocoa/Cocoa.h> >> >>> in my .cpp file (compiled as cpp.objcpp) >>> >>> void BPrinter::Setup(NSPrintOperation pOperation) >> >> You mean NSPrintOperation* pOperation, right? Else it wouldn’t compile. > Yes, sorry that was a typo >> >>> Now in my Cocoa view .m >>> >>> NSPrintOperation *po = [NSPrintOperation printOperationWithView:self]; >>> m_bprinter->Setup(po); >> >> This is compiled as Objective-C++? > > Yes >> >>> and I get the error: >>> >>> no matching function for call to 'BPrinter::Setup(NSPrintOperation*&) >>> I am confused by this ... why does the compiler think the signature is >>> (NSPrintOperation*&) when clearly it is (NSPrintOperation*) >> >> Red herring — it just uses an & because the parameter is type-compatible >> with reference parameters. >> Did you #include the C++ header in this source file? > Yes >> >> —Jens > _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
