//rgb変更時
        private void UpDownRGB_MyValueChanged(object sender, MyValueChangedEventArgs e)
        {
            IsRgbChanging = true;
            if (IsHsvChanging != true)
            {
                var iHsv = HSV.Color2HSV(R, G, B);
                if (UpDownH.Value != (int)iHsv.Hue)
                {
                    UpDownH.Value = (int)iHsv.Hue;
                    SetImageSV(iHsv.Hue);
                }
                UpDownS.Value = (int)(iHsv.Saturation * ImageSize);
                UpDownV.Value = (int)(iHsv.Value * ImageSize);


                Canvas.SetLeft(ThumbPicker, UpDownS.Value - ThumbSize / 2f);
                Canvas.SetTop(ThumbPicker, UpDownV.Value - ThumbSize / 2f);
            }
            IsRgbChanging = false;
        }
        //HSV変更時
        private void UpDownHSV_MyValueChanged(object sender, MyValueChangedEventArgs e)
        {
            IsHsvChanging = true;
            if (IsRgbChanging != true)
            {
                IntegerUpDown.IntegerUpDown ud = (IntegerUpDown.IntegerUpDown)sender;
                if (ud == UpDownH)
                {
                    SetImageSV(UpDownH.Value);
                }

                var s = UpDownS.Value / (double)ImageSize;
                var v = UpDownV.Value / (double)ImageSize;
                Canvas.SetLeft(ThumbPicker, s * ImageSize - ThumbSize / 2f);
                Canvas.SetTop(ThumbPicker, v * ImageSize - ThumbSize / 2f);

                var col = HSV.HSV2Color(UpDownH.Value, s, v);
                R = col.R;
                G = col.G;
                B = col.B;
            }
            IsHsvChanging = false;
        }