【求助】force pick mode怎么用

请问这个选项有什么作用？

你用的是几版本的?

R10

交互式绘图中，在Drawing属性里，可以设定，投影的线架是否为可选的，如是想要所有的线架都可选，就用这个命令！
  
下次请先查找在线帮助，帮助里解释得非常清楚！
  
Pick/No Pick mode
When you create elements using the No Pick mode (Pickable option unchecked),  
  
If you want to make one or several elements pickable back again, perform as follows:  
1. Select Edit -> Search from the menu bar and select the element(s) to be modified from the Search dialog box.  
  
2. Select Edit -> Properties option from the menu bar and check the Pickable option from the Properties dialog box.
  
If you want to make all the elements on a sheet or in a view pickable back again, perform as follows:  
1. Click the sheet or the view(s) to be applied the Pick mode from the specification tree.
  
  2. Select the Force Pick Mode option from the contextual menu.