// Init Window private void NativeWindow_ContextCreated(object sender, NativeWindowEventArgs e) { OpenGL.CoreUI.NativeWindow nativeWindow = (OpenGL.CoreUI.NativeWindow)sender; Gl.ReadBuffer(ReadBufferMode.Back); Gl.ClearColor(0.0f, 0.0f, 0.0f, 1.0f); Gl.Enable(EnableCap.Blend); Gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha); Gl.Enable(EnableCap.LineSmooth); Gl.Hint(HintTarget.LineSmoothHint, HintMode.Nicest); viewer.init(zedCamera.GetCalibrationParameters().leftCam); }