/// <summary>
/// 取消对象选择
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public ISelectableObject Remove(ISelectableObject obj)
{
if (!this.SelectionObjects.Contains(obj))
{
return(obj);
}
this.SelectionObjects.Remove(obj);
obj.Selected(false);
return(obj);
}
/// <summary>
/// 添加选择对象
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public ISelectableObject Add(ISelectableObject obj)
{
if (this.SelectionObjects.Contains(obj))
{
return(obj);
}
this.SelectionObjects.Add(obj);
obj.Selected(true);
return(obj);
}