//解组操作
public override void UngroupOper()
{
if (IsVector)
{
_isFlipX = _isFlipX ^ GroupParant.IsFlipX;
_isFlipY = _isFlipY ^ GroupParant.IsFlipY;
RectangleF rect;
Calculation.GetMatrixData(this, out _rotateAngle, out _shear, out rect);
//上一行需要GroupParant，下一行需要GroupParant为null，所以这一行千万不能删
GroupParant = null;
SetRect(rect);
}
base.UngroupOper();
}