listview show group make items disappear

[Zexor]

When i set the listview.showgroups = true, all the item will disappear from listview. But item count is still the same. They will come back if i set it to false again. How can i make them appear again without reloading the listview?
If the showgroups was set to true before the listview is loaded, it can go back and forth with no problem. So right now i am just setting it to true before i load the listview then false after.

 

[jmcilhinney]

I don't have time to test that behaviour right now but can I just check that every item definitely has its Group property set from the outset, right?

 

[Zexor]

Yes they all have group property set. It's all depend on if showgroup is set to true or false before the listview is loaded with the items.