private void Thumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
_resized = false;
Frm.EndLengthBatch();
EditUtil.RefreshSeekBar();
}
public void Doc_OnChange(object sender, EventArgs e) {
if (!Doc.IsInBatch) {
EditUtil.RefreshSeekBar();
EditUtil.cn_WidthChanged(null, null);
}
}