UnityEditor.SceneView.DoClearCamera C# (CSharp) Method

        private void DoClearCamera(Rect cameraRect)
        {
            float verticalFOV = this.GetVerticalFOV(90f);
            float fieldOfView = this.m_Camera.fieldOfView;
            this.m_Camera.fieldOfView = verticalFOV;
            Handles.ClearCamera(cameraRect, this.m_Camera);
            this.m_Camera.fieldOfView = fieldOfView;
        }