// Create a Vertical Compound Button

class BeginEndVerticalExample extends EditorWindow {

@MenuItem("Examples/Begin-End Vertical usage")
static function Init() {
var window = GetWindow(BeginEndVerticalExample);
window.Show();
}

function OnGUI() {
var r : Rect = EditorGUILayout.BeginVertical("Button");
if (GUI.Button(r, GUIContent.none))
Debug.Log("Go here");
GUILayout.Label("I'm inside the button");
GUILayout.Label("So am I");
EditorGUILayout.EndVertical();
}
}