// 各派生クラスでの初期化処理を行う(メニューまたは AddView から生成される場合のみ実行れる)
        override protected void OnBuild(string tOption = "")
        {
            Slider tSlider = _slider;

            if (tSlider == null)
            {
                tSlider = gameObject.AddComponent <Slider>();
            }
            if (tSlider == null)
            {
                // 異常
                return;
            }

            //---------------------------------

            Direction tDirection = Direction.Unknown;

            if (tOption.ToLower() == "h")
            {
                tDirection = Direction.Horizontal;
            }
            else
            if (tOption.ToLower() == "v")
            {
                tDirection = Direction.Vertical;
            }

            Vector2 tSize = GetCanvasSize();

            if (tSize.x > 0 && tSize.y > 0)
            {
                float s;
                if (tSize.x <= tSize.y)
                {
                    s = tSize.x;
                }
                else
                {
                    s = tSize.y;
                }

                if (tDirection == Direction.Horizontal)
                {
                    SetSize(s * 0.25f, s * 0.05f);
                    tSlider.direction = Slider.Direction.LeftToRight;
                }
                else
                if (tDirection == Direction.Vertical)
                {
                    SetSize(s * 0.05f, s * 0.25f);
                    tSlider.direction = Slider.Direction.BottomToTop;
                }
            }

            ResetRectTransform();

            UIImage tBackground = AddView <UIImage>("Background");

            if (tDirection == Direction.Horizontal)
            {
                tBackground.SetAnchorMinAndMax(0.00f, 0.25f, 1.00f, 0.75f);
            }
            else
            if (tDirection == Direction.Vertical)
            {
                tBackground.SetAnchorMinAndMax(0.25f, 0.00f, 0.75f, 1.00f);
            }
            tBackground.SetMargin(0, 0, 0, 0);
            tBackground.sprite     = Resources.Load <Sprite>("uGUIHelper/Textures/UIDefaultFrame");
            tBackground.type       = Image.Type.Sliced;
            tBackground.fillCenter = true;
            tBackground.SetSize(0, 0);

            UIView tFillArea = AddView <UIView>("Fill Area");

            if (tDirection == Direction.Horizontal)
            {
                tFillArea.SetAnchorMinAndMax(0.00f, 0.25f, 1.00f, 0.75f);
                tFillArea.SetMargin(5, 15, 0, 0);
            }
            else
            if (tDirection == Direction.Vertical)
            {
                tFillArea.SetAnchorMinAndMax(0.25f, 0.00f, 0.75f, 1.00f);
                tFillArea.SetMargin(0, 0, 5, 15);
            }

            UIImage tFill = tFillArea.AddView <UIImage>("Fill");

            tFill.SetAnchorMinAndMax(0.00f, 0.00f, 1.00f, 1.00f);
            tFill.sprite     = Resources.Load <Sprite>("uGUIHelper/Textures/UIDefaultButton");
            tFill.type       = Image.Type.Sliced;
            tFill.fillCenter = true;
            if (tDirection == Direction.Horizontal)
            {
                tFill.SetMargin(-5, -5, 0, 0);
            }
            else
            if (tDirection == Direction.Vertical)
            {
                tFill.SetMargin(0, 0, -5, -5);
            }

            tSlider.fillRect = tFill._rectTransform;


            UIView tHandleSlideArea = AddView <UIView>("Handle Slide Area");

            tHandleSlideArea.SetAnchorToStretch();
            if (tDirection == Direction.Horizontal)
            {
                tHandleSlideArea.SetMargin(10, 10, 0, 0);
            }
            else
            if (tDirection == Direction.Vertical)
            {
                tHandleSlideArea.SetMargin(0, 0, 10, 10);
            }

            UIImage tHandle = tHandleSlideArea.AddView <UIImage>("Handle");

            if (tDirection == Direction.Horizontal)
            {
                tHandle.SetAnchorToRightStretch();
                tHandle._x = 0;
                tHandle._w = _h * 1.0f;
                tHandle.SetMarginY(0, 0);
            }
            else
            if (tDirection == Direction.Vertical)
            {
                tHandle.SetAnchorToStretchTop();
                tHandle._y = 0;
                tHandle._h = _w * 1.0f;
                tHandle.SetMarginX(0, 0);
            }

            tHandle.sprite = Resources.Load <Sprite>("uGUIHelper/Textures/UIDefaultButton");

            tSlider.targetGraphic = tHandle._image;
            tSlider.handleRect    = tHandle._rectTransform;
        }