Base Class for editor windows in Unity3d

SerializedEditorWindow.cs

using UnityEditor;
using UnityEngine;

namespace EditorScripts
{
    public abstract class SerializedEditorWindow : EditorWindow
    {
        /// <summary>
        /// Serialization target, can be overridden to allow target to be something other than this editor window
        /// </summary>
        protected virtual Object Target => this;
        protected SerializedObject so;

        /// <summary>
        /// Unity OnGUI function
        /// </summary>
        protected void OnGUI()
        {
            this.beforeGUI();
            this.drawGUI();
            this.afterGUI();
        }
        /// <summary>
        /// Child classes should override this for their draw gui event
        /// </summary>
        protected virtual void drawGUI()
        {
            // nothing
        }

        /// <summary>
        /// draws a property field using a property name
        /// </summary>
        protected void propertyField(string fieldName, bool includeChildren = true)
        {
            EditorGUILayout.PropertyField(this.so.FindProperty(fieldName), includeChildren);
        }
        /// <summary>
        /// draws a button
        /// </summary>
        /// <param name="label"></param>
        /// <returns></returns>
        protected bool button(string label)
        {
            return GUILayout.Button(label);
        }

        /// <summary>
        /// Sets up Serialized Object and updates.
        /// </summary>
        protected virtual void beforeGUI()
        {
            if (this.so == null)
            {
                this.so = new SerializedObject(this.Target);
            }

            this.so.Update();
        }
        /// <summary>
        /// Applies changes to Serialized Object
        /// </summary>
        private void afterGUI()
        {
            this.so.ApplyModifiedProperties();
        }

        /// <summary>
        /// Can be called by child class to show the window
        /// </summary>
        /// <typeparam name="T"></typeparam>
        protected static void showWindow<T>() where T : EditorWindow
        {
            var window = GetWindow<T>();
            window.minSize = new Vector2(50, 50);
            window.titleContent = new GUIContent(typeof(T).Name);
            window.Show();
        }
    }
}