UnityEditor.PopupWindow.OnGUI C# (CSharp) Method

        internal void OnGUI()
        {
            this.FitWindowToContent();
            Rect rect = new Rect(0f, 0f, base.position.width, base.position.height);
            this.m_WindowContent.OnGUI(rect);
            GUI.Label(rect, GUIContent.none, "grey_border");
        }