void OnGUI()
{
GUIUtils.StartCustomEditor();
GUIUtils.StartBox(0);
GUIUtils.Tabs(outerTabs, ref outerTab);
GUIUtils.EndBox(0);
GUIUtils.StartBox(0);
EditorGUILayout.BeginHorizontal();
GUIUtils.Tabs(helpTabs[outerTab], ref innerTab, GUIUtils.FitContent.Largest, true, TextAnchor.MiddleLeft);
EditorGUILayout.TextArea(helpTexts[outerTab][innerTab], GUIStyles.helpBox, windowHeight);
EditorGUILayout.EndHorizontal();
GUIUtils.EndBox(0);
bool changed = GUIUtils.EndCustomEditorWindow();
}
