Has Lines| Friendly Name | Has Lines |
|---|---|
| API Name | HasLines |
| Type | Boolean |
| Restrictions | |
| Get Function | (dcl-Control-GetHasLines
<CONTROL>) |
| Set Function | (dcl-Control-SetHasLines
<CONTROL>
NewValue [as Boolean]) |
| Applies To | Tree |
如果设置此属性，控件将显示将子项目与其父项目相连接的线。