private void PicturePanel_ControlRemoved(object sender, ControlEventArgs e)
{
ImageItem ii = e.Control.Tag as ImageItem;
if (ii != null && imageCollection.Count > 0)
{
if (ii.IsBindEvent())
{
ii.ValueChanged -= Ii_ValueChanged;
}
imageCollection.Remove(ii);
if (e.Control.Equals(activeBox))
{
activeBox = null;
}
//TODO: 重新计算最新值的坐标 _nextPoint
}
}
