We can safetly determine the Qt version from Qt5Widgets_VERSION for Qt5.
We can safetly determine the Qt version from Qt5Widgets_VERSION for Qt5.

lorensen/VTKExamples,lorensen/VTKExamples,lorensen/VTKExamples,lorensen/VTKExamples,lorensen/VTKExamples,lorensen/VTKExamples,lorensen/VTKExamples