else
headerDescription.btnContentInfo.u.iconRef = NULL;
wxCHECK_RET(macDataViewListCtrlPtr->SetHeaderDesc(this->GetPropertyID(),&headerDescription) == noErr,_("Could not set icon."));
else
headerDescription.btnContentInfo.u.iconRef = NULL;
wxCHECK_RET(macDataViewListCtrlPtr->SetHeaderDesc(this->GetPropertyID(),&headerDescription) == noErr,_("Could not set icon."));