private void RefreshConnectionPos()
{
for (int i = 0; i < m_data.InputPoints.Count; i++) {
var point = m_data.InputPoints[i];
point.UpdateRegion(this, i, m_data.InputPoints.Count);
}
for (int i = 0; i < m_data.OutputPoints.Count; i++) {
var point = m_data.OutputPoints[i];
point.UpdateRegion(this, i, m_data.OutputPoints.Count);
}
}