Re: Passing NSPrintOperation* to CPP Function
Re: Passing NSPrintOperation* to CPP Function
- Subject: Re: Passing NSPrintOperation* to CPP Function
- From: Jens Alfke <email@hidden>
- Date: Wed, 21 Sep 2011 19:45:33 -0700
On Sep 21, 2011, at 7:34 PM, koko wrote:
> class BPrinter
> {
> void Setup(NSPrintOperation* pOperation);
> };
How did you declare NSPrintOperation in this header?
> in my .cpp file (compiled as cpp.objcpp)
>
> void BPrinter::Setup(NSPrintOperation pOperation)
You mean NSPrintOperation* pOperation, right? Else it wouldn’t compile.
> Now in my Cocoa view .m
>
> NSPrintOperation *po = [NSPrintOperation printOperationWithView:self];
> m_bprinter->Setup(po);
This is compiled as Objective-C++?
> 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?
—Jens_______________________________________________
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