unity, GUIStyle and Skin

例1：

using UnityEngine;

using System.Collections;

using UnityEditor;

using System.Collections.Generic;

[CustomEditor(typeof(CmyScriptableObject))]

public class myScriptableObjectCustomEditor : Editor

{

　　public Vector2 scrollPosition = Vector2.zero;

　　public int selGridInt = 0;

　　public string[] selStrings = new string[] {"item1", "item2", "item3", "item4", "item5", "item6", "item7", "item8"};

　　public override void OnInspectorGUI()

　　{

　　　　DrawDefaultInspector ();

　　　　CmyScriptableObject data = CmyScriptableObject)target;

　　　　scrollPosition = EditorGUILayout.BeginScrollView (scrollPosition,"box",GUILayout.MaxHeight(90));

　　　　{

　　　　　　//ref: http://answers.unity3d.com/questions/37223/how-do-i-center-a-gui-label.html
　　　　　　//ref: http://iaimstar.iteye.com/blog/2222128
　　　　　　GUIStyle _style = GUI.skin.GetStyle ("MenuItemMixed");

　　　　　　selGridInt = GUILayout.SelectionGrid(selGridInt, selStrings, 1,_style);

　　　　}

　　　　EditorGUILayout.EndScrollView ();

　　}

}

例2：

using UnityEngine;

using System.Collections;

using UnityEditor;

using System.Collections.Generic;

[CustomEditor(typeof(CmyScriptableObject))]

public class myScriptableObjectCustomEditor : Editor

{

　　public Vector2 scrollPosition = Vector2.zero;

　　public int selGridInt = 0;

　　public string[] selStrings = new string[] {"item1", "item2", "item3", "item4", "item5", "item6", "item7", "item8"};

　　public override void OnInspectorGUI()

　　{

　　　　DrawDefaultInspector ();

　　　　CmyScriptableObject data = CmyScriptableObject)target;

　　　　scrollPosition = EditorGUILayout.BeginScrollView (scrollPosition,"box",GUILayout.MaxHeight(90));

　　　　{

　　　　　　//ref: http://answers.unity3d.com/questions/37223/how-do-i-center-a-gui-label.html
　　　　　　//ref: http://iaimstar.iteye.com/blog/2222128
　　　　　　GUIStyle _style = GUI.skin.GetStyle ("helpbox");
　　　　　_style.onNormal.textColor=Color.blue;

　　　　　　selGridInt = GUILayout.SelectionGrid(selGridInt, selStrings, 1,_style);

　　　　}

　　　　EditorGUILayout.EndScrollView ();

　　}

}

自定义skin教程：http://forum.unity3d.com/threads/creating-custom-gui-skins-part-one.113055/