public function writeYLabels(array $Format = [])
    {
        $R = isset($Format["R"]) ? $Format["R"] : $this->pChartObject->FontColorR;
        $G = isset($Format["G"]) ? $Format["G"] : $this->pChartObject->FontColorG;
        $B = isset($Format["B"]) ? $Format["B"] : $this->pChartObject->FontColorB;
        $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : $this->pChartObject->FontColorA;
        $Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0;
        $Padding = isset($Format["Padding"]) ? $Format["Padding"] : 5;
        $Position = isset($Format["Position"]) ? $Format["Position"] : LABEL_POSITION_LEFT;
        $Labels = isset($Format["Labels"]) ? $Format["Labels"] : null;
        $CountOffset = isset($Format["CountOffset"]) ? $Format["CountOffset"] : 0;

        if ($Labels != null && !is_array($Labels)) {
            $Label = $Labels;
            $Labels = [$Label];
        }

        $Y0 = $this->pChartObject->GraphAreaY1;
        $YSize = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) / ($this->GridSizeY + 1);

        $Settings = ["Angle" => $Angle, "R" => $R, "G" => $G, "B" => $B, "Alpha" => $Alpha];
        if ($Position == LABEL_POSITION_LEFT) {
            $XPos = $this->pChartObject->GraphAreaX1 - $Padding;
            $Settings["Align"] = TEXT_ALIGN_MIDDLERIGHT;
        } elseif ($Position == LABEL_POSITION_RIGHT) {
            $XPos = $this->pChartObject->GraphAreaX2 + $Padding;
            $Settings["Align"] = TEXT_ALIGN_MIDDLELEFT;
        } else {
            return -1;
        }
        for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
            $YPos = floor($Y0 + $Y * $YSize + $YSize / 2);

            if ($Labels == null || !isset($Labels[$Y])) {
                $Value = $Y + $CountOffset;
            } else {
                $Value = $Labels[$Y];
            }
            $this->pChartObject->drawText($XPos, $YPos, $Value, $Settings);
        }
    }