DWORD OldStyle; /* window style - stored before the window is made fullscreen */
DWORD OldStyleEx; /* window Ex style - stored before the window is made fullscreen */
BOOL OldMaximized; /* window maximized state - stored before the window is made fullscreen */
+
+ GLboolean MouseTracking; /* Needed for generating GLUT_ENTERED and GLUT_LEFT entry func callbacks on windows */
};