VS整死了，属性惹的祸

 1     /// <summary>
 2     /// 隐藏除外径与壁厚之外的所有项
 3     /// </summary>
 4     protected bool zHideSelectItems = false;
 5     /// <summary>
 6     /// 隐藏除外径与壁厚之外的所有项
 7     /// </summary>
 8     public bool HideSelectItems
 9     {
10       set
11       {
12         zHideSelectItems = value;
13 
14         lblStandard.Visible = !value;
15         lblDn.Visible = !value;
16         lblSchdule.Visible = !value;
17 
18         cbStandard.Visible = !value;
19         cbDn.Visible = !value;
20         cbSchedule.Visible = !value;
21 
22         if (value)
23         {
24           tlpPipe.RowStyles[0].Height = 0f;
25           tlpPipe.RowStyles[1].Height = 0f;
26           tlpPipe.RowStyles[2].Height = 0f;
27           gbPipe.Height = 85;
28         }
29         else
30         {
31           tlpPipe.RowStyles[0].Height = 30f;
32           tlpPipe.RowStyles[1].Height = 30f;
33           tlpPipe.RowStyles[2].Height = 30f;
34           gbPipe.Height = 175;
35         }
36       }
37       get
38       {
39         return zHideSelectItems;
40       }
41     }

第12行在复制粘贴过程中忘记改成zHideSelectItems，导致程序在未开启时就死循环。