GUI.VerticalScrollbar の thumb (つまみ部分)で使用されるスタイル
using UnityEngine;
public class Example : MonoBehaviour { // Modifies only the vertical scrollbar thumb of the current GUISkin
float hSbarValue; GUIStyle style;
void OnGUI() { GUI.skin.verticalScrollbarThumb = style; hSbarValue = GUILayout.VerticalScrollbar(hSbarValue, 1.0f, 0.0f, 10.0f); } }