void OnGUI() { if (GUI.Button(new Rect(10f, 10f, 200f, 50f), "Step(1) : ExportFiles")) { ExportFiles(Selection.objects); if (mMenu == null) { mMenu = GetWindow(typeof(EditorMenu)) as EditorMenu; } mMenu.Close(); } if (GUI.Button(new Rect(10f, 80f, 200f, 50f), "Step(2) : ExportFolders")) { ExportFolders(Selection.objects); if (mMenu == null) { mMenu = GetWindow(typeof(EditorMenu)) as EditorMenu; } mMenu.Close(); } }