NX9+VS2012

     #include <NXOpen/NXObject.hxx>

     #include <NXOpen/Part.hxx>

     #include <NXOpen/PartCollection.hxx>

     #include <NXOpen/UI.hxx>

     #include <NXOpen/NXMessageBox.hxx>

     #include <NXOpen/ListingWindow.hxx>

     using namespace NXOpen;

     NXMessageBox *mb;

     ListingWindow *lw;

     NXOpen::Session *theSession = NXOpen::Session::GetSession();

     NXOpen::Part *workPart(theSession->Parts()->Work());

     NXOpen::Part *displayPart(theSession->Parts()->Display());

     UI *theUI = UI::GetUI();

     mb = theUI->NXMessageBox();

     lw = theSession->ListingWindow();

     //方法1(NXMessageBox)

     mb->Show("HelloTitle", NXOpen::NXMessageBox::DialogTypeError, "HelloWorld");//类型1

     mb->Show("HelloTitle", NXOpen::NXMessageBox::DialogTypeWarning, "HelloWorld");//类型2

     mb->Show("HelloTitle", NXOpen::NXMessageBox::DialogTypeInformation, "HelloWorld");//类型3

     mb->Show("HelloTitle", NXOpen::NXMessageBox::DialogTypeQuestion, "HelloWorld");//类型4

     //方法2(ListingWindow)

     lw->Open();

     lw->WriteLine("HelloWorld");