void CreateContentGUI() { TwoPaneSplitView splitView = new TwoPaneSplitView(); splitView.orientation = TwoPaneSplitViewOrientation.Vertical; splitView.fixedPaneIndex = 1; splitView.fixedPaneInitialDimension = 80; rootVisualElement.Add(splitView); m_DataListView = new LogDataListViewer(); m_DataListView.BindedData = searchedLogDatas; splitView.Add(m_DataListView); VisualElement stacktraceElement = new VisualElement(); stacktraceElement.ExpandWidth(); stacktraceElement.SetHeight(80); splitView.Add(stacktraceElement); m_StacktraceText = new TextField(); m_StacktraceText.label = null; m_StacktraceText.ExpandWidthAndHeight(); m_StacktraceText.multiline = true; m_StacktraceText.isReadOnly = true; stacktraceElement.Add(m_StacktraceText); m_DataListView.OnDataSelected += (data) => { m_StacktraceText.value = data == null ? string.Empty : data.Stacktrace; }; }