CreateVertexBuffer: ```cs float[] Vertices = { -1.0f, -1.0f, 0.0f,

            float[] Vertices =
            { -1.0f, -1.0f, 0.0f,
               1.0f, -1.0f, 0.0f,
               0.0f,  1.0f, 0.0f };

            Vao = Gl.GenVertexArray();

            Gl.GenBuffers(1, out Vbo);
            Gl.BindBuffer(GLEnum.ArrayBuffer, Vbo);
            fixed (void* v = Vertices)
            {
                Gl.BufferData(GLEnum.ArrayBuffer, (nuint)(sizeof(float) * Vertices.Length), v, GLEnum.StaticDraw);
            }

            Gl.Clear(ClearBufferMask.ColorBufferBit);

            Gl.BindVertexArray(Vao);
            Gl.EnableVertexAttribArray(0);
            Gl.BindBuffer(GLEnum.ArrayBuffer, Vbo);
            Gl.VertexAttribPointer(0, 3, GLEnum.Float, false, 0, null);

            Gl.DrawArrays(GLEnum.Triangles, 0, 3);

            Gl.DisableVertexAttribArray(0);
            Gl.BindBuffer(BufferTargetARB.ArrayBuffer, 0);
            Gl.BindVertexArray(0);