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C-/C++-Quelltext

GLenum err = glewInit();
if(err != GLEW_OK) {
    // error happened
    std::cout << "glew failed to load" << std::endl;
    return;
}

std::cout << "OpenGL error: " << glGetError() << std::endl; // OpenGL error code 1282 GL_INVALID_OPERATION

int attribs[] = {
    WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
    WGL_CONTEXT_MINOR_VERSION_ARB, 3,
    WGL_CONTEXT_FLAGS_ARB, 0,
    0
};

if(wglewIsSupported("WGL_ARB_create_context") == 1) {
    // Make a OpenGL 3.x context.
    wglMakeCurrent(NULL, NULL);
    wglDeleteContext(*hRC);
    *hRC = wglCreateContextAttribsARB(*hDC, 0, attribs);
    wglMakeCurrent(*hDC, *hRC);
    std::cout << "created a 3.x OpenGL context" << std::endl;
} else {
    // It's not possible to make a GL 3.x context.
}