/// <summary> /// Executed when the user double click an item or press enter /// </summary> private void OnActivateItem() { var curItem = GetCurrentItem(); if (curItem == null) { return; } // Branch clicked : expand/retract if (curItem.CanExpand) { curItem.IsExpanded = !curItem.IsExpanded; if (!_expandedBranches.ContainsKey(curItem.DisplayText)) { _expandedBranches.Add(curItem.DisplayText, curItem.IsExpanded); } else { _expandedBranches[curItem.DisplayText] = curItem.IsExpanded; } ApplyFilter(); Npp.GrabFocus(); } else { // Item clicked : go to line Npp.Goto(curItem.DocumentOwner, curItem.GoToLine, curItem.GoToColumn); fastOLV.Invalidate(); } }