private void MakeContextCurrent()
        {
            unsafe
            {
                var pfdSize = sizeof(Gdi32.PixelFormatDescriptor);
                var pfd     = new Gdi32.PixelFormatDescriptor
                {
                    nSize        = (ushort)pfdSize,
                    nVersion     = 1,
                    dwFlags      = 0x4 /*PFD_DRAW_TO_WINDOW*/ | 0x20 /*PFD_SUPPORT_OPENGL*/ | 0x1 /*PFD_DOUBLEBUFFER*/,
                    iPixelType   = 0 /*PFD_TYPE_RGBA*/,
                    cColorBits   = 32,
                    cDepthBits   = 32,
                    cStencilBits = 8,
                    cAuxBuffers  = 0,
                    iLayerType   = 0 /*PFD_MAIN_PLANE*/
                };
                _deviceContext = User32.GetDC(_window.NativeHandle);

                var pixelFormat = Gdi32.ChoosePixelFormat(_deviceContext, ref pfd);
                var result      = Gdi32.SetPixelFormat(_deviceContext, pixelFormat, ref pfd);
                Marshal.ThrowExceptionForHR(result);

                var tempContext = OpenGl32.WglCreateContext(_deviceContext);
                OpenGl32.WglMakeCurrent(_deviceContext, tempContext);

                var wglCreateContextAttribsArb = OpenGl32.GetWglCreateContextAttribsArbProc();

                var attribs = new[] { /*WGL_CONTEXT_PROFILE_MASK_ARB*/ 0x9126, /*WGL_CONTEXT_CORE_PROFILE_BIT_ARB*/ 0x00000001, 0 };

                fixed(int *attribPtr = attribs)
                _openGlContext = wglCreateContextAttribsArb(_deviceContext, IntPtr.Zero, attribPtr);

                OpenGl32.WglMakeCurrent(_deviceContext, _openGlContext);
                OpenGl32.WglDeleteContext(tempContext);

                WindowExtensions.LoadOpenGLFunctions <Win32OpenGLWindowExtensions>(null);
            }
        }