GUISkin.textArea

public GUIStyle textArea ;

설명

Style used by default for GUI.TextArea controls.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public GUIStyle style;
    private string str = "A string...\nWith two lines.";
    void OnGUI() {
        GUI.skin.textArea = style;
        str = GUILayout.TextArea(str);
    }
}