public void Dispose()
{
if (!_isDisposed)
{
GL.BindVertexArray(0);
GL.DeleteVertexArray(_handle);
for (int i = 0; i < _buffers.Count; i++)
{
BufferObject bo = _buffers[i];
bo.Dispose();
}
GC.SuppressFinalize(this);
_isDisposed = true;
}
}