public override void OnFlowToolbarGUI(GUIStyle buttonStyle) { base.OnFlowToolbarGUI(buttonStyle); if (FlowSystem.IsCompileDirty() == true) { var color = GUI.color; GUI.color = Color.red; if (GUILayout.Button("Recompile needed", buttonStyle) == true) { Compiler.ShowEditor(null, () => { FlowSystem.SetCompileDirty(state: false); }); } GUI.color = color; } }