Additionally renamed wxOSX' private wxNativePrinterDC::Ok() function to IsOk().
Didn't deprecate the various Ok() functions: given the amount of changes already introduced in 3.0 a trivial one like this seems more suitable for after 3.0.
wxCHECK_RET(macDataViewListCtrlPtr->GetHeaderDesc(GetNativeData()->GetPropertyID(),&headerDescription) == noErr,_("Could not get header description."));
DataBrowserListViewHeaderDesc headerDescription;
wxCHECK_RET(macDataViewListCtrlPtr->GetHeaderDesc(GetNativeData()->GetPropertyID(),&headerDescription) == noErr,_("Could not get header description."));
wxCHECK_RET(macDataViewListCtrlPtr->GetHeaderDesc(GetNativeData()->GetPropertyID(),&headerDescription) == noErr,_("Could not get header description."));
headerDescription.titleString = cfTitle;
wxCHECK_RET(macDataViewListCtrlPtr->GetHeaderDesc(GetNativeData()->GetPropertyID(),&headerDescription) == noErr,_("Could not get header description."));