Yaptım ama anlayamadım.Birkaç bilgi verebilir misiniz ?
Birde bunu atmayı unutmuşum.OpenGL Extensions Viewer'de böyle bir hata almıştım:
wglCreateContextAttribsARB returned NULL when trying context 3.2 (Error 0hc0072095)
Can't initalize OpenGL 3.2: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 3.3 (Error 0hc0072095)
Can't initalize OpenGL 3.3: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.0 (Error 0hc0072095)
Can't initalize OpenGL 4.0: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.1 (Error 0hc0072095)
Can't initalize OpenGL 4.1: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.2 (Error 0hc0072095)
Can't initalize OpenGL 4.2: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.3 (Error 0hc0072095)
Can't initalize OpenGL 4.3: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.4 (Error 0hc0072095)
Can't initalize OpenGL 4.4: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.5 (Error 0hc0072095)
Can't initalize OpenGL 4.5: HLGC is NULL
wglCreateContextAttribsARB returned NULL when trying context 4.6 (Error 0hc0072095)
Can't initalize OpenGL 4.6: HLGC is NULL