public override void OnRenderGUI(float deltaTime) { if (browseHistory.Count == 0 || browseHistory.Peek().SearchText != null) { SingleComposer = overviewGui; } else { SingleComposer = detailViewGui; } if (SingleComposer == overviewGui) { overviewGui.GetButton("backButton").Enabled = browseHistory.Count > 0; } base.OnRenderGUI(deltaTime); }