public void DeleteShape(Shape targetShape, int shapeIndex) //刪除圖形命令
{
NewCommandExcute();
_model.DeleteShape(shapeIndex);
_model.DisPoseFocusShape();
_commands.Add(new DeleteShapeCommand(_model, targetShape, shapeIndex));
}
public override void Undo() //復原
{
_model.DeleteShape(_shapeIndex);
_model.DisPoseFocusShape();
}