That method failed. Can you please check the attached file?

i can't upload file.

so i upload .cs and .designer.cs codes.

using Infragistics.Win.DataVisualization;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace DataChart
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void ultraButton1_Click(object sender, EventArgs e)
        {
            int imageWidth = 488;
            int imageHeigh = 268;
            Size size = new System.Drawing.Size(imageWidth, imageHeigh);


            setchart1(ultraDataChart1);
            ultraDataChart1.Flush();
            ultraDataChart1.SaveTo("test.png",System.Drawing.Imaging.ImageFormat.Png,size);

        }

        private void setchart1(UltraDataChart chart)
        {
            chart.Series.Clear();
            //이전 데이터 사용할거면 아래 축 초기화 X
            chart.Axes.Clear();

            model1 model1 = new model1()
            {
                Name = "model1",
                data1 = 2,
                data2 = 2
            };

            List<model1> data = new List<model1>() { model1 };


            var xAxis = new CategoryXAxis
            {
                Label = "Name",
                DataSource = data,
                LabelLocation = AxisLabelsLocation.OutsideBottom
            };

            var yAxis = new NumericYAxis
            {
                Title = "titleY",

                //MinimumValue = Math.Round(data[0].Plus / 2)
            };

            for (int i = 0; i < 2; i++)
            {
                var series = new ColumnSeries
                {
                    DataSource = data,
                    ValueMemberPath = i==0? "data1": "data2",
                    XAxis = xAxis,
                    YAxis = yAxis,
                    IsHighlightingEnabled = true,
                    IsTransitionInEnabled = true,
                    ShowDefaultTooltip = true,

                };
                chart.Series.Add(series);
            }

            chart.Axes.Add(xAxis);
            chart.Axes.Add(yAxis);

        }


        class model1
        {
            public string Name { get; set; }

            public double data1 { get; set; }
            public double data2 { get; set; }
        }

        private void ultraButton2_Click(object sender, EventArgs e)
        {
            ultraDataChart1.Series.Clear();
            //이전 데이터 사용할거면 아래 축 초기화 X
            ultraDataChart1.Axes.Clear();
        }
    }
}

namespace DataChart
{
    partial class Form1
    {
        /// <summary>
        /// 필수 디자이너 변수입니다.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// 사용 중인 모든 리소스를 정리합니다.
        /// </summary>
        /// <param name="disposing">관리되는 리소스를 삭제해야 하면 true이고, 그렇지 않으면 false입니다.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form 디자이너에서 생성한 코드

        /// <summary>
        /// 디자이너 지원에 필요한 메서드입니다. 
        /// 이 메서드의 내용을 코드 편집기로 수정하지 마세요.
        /// </summary>
        private void InitializeComponent()
        {
            this.ultraDataChart1 = new Infragistics.Win.DataVisualization.UltraDataChart();
            this.ultraButton1 = new Infragistics.Win.Misc.UltraButton();
            this.ultraButton2 = new Infragistics.Win.Misc.UltraButton();
            ((System.ComponentModel.ISupportInitialize)(this.ultraDataChart1)).BeginInit();
            this.SuspendLayout();
            // 
            // ultraDataChart1
            // 
            this.ultraDataChart1.BackColor = System.Drawing.Color.White;
            this.ultraDataChart1.CrosshairPoint = new Infragistics.Win.DataVisualization.Point(double.NaN, double.NaN);
            this.ultraDataChart1.Location = new System.Drawing.Point(12, 12);
            this.ultraDataChart1.MarkerBrushes.Add(new Infragistics.Win.DataVisualization.SolidColorBrush(System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))))));
            this.ultraDataChart1.Name = "ultraDataChart1";
            this.ultraDataChart1.Size = new System.Drawing.Size(291, 235);
            this.ultraDataChart1.TabIndex = 0;
            this.ultraDataChart1.Text = "ultraDataChart1";
            // 
            // ultraButton1
            // 
            this.ultraButton1.Location = new System.Drawing.Point(12, 253);
            this.ultraButton1.Name = "ultraButton1";
            this.ultraButton1.Size = new System.Drawing.Size(75, 23);
            this.ultraButton1.TabIndex = 6;
            this.ultraButton1.Text = "run";
            this.ultraButton1.Click += new System.EventHandler(this.ultraButton1_Click);
            // 
            // ultraButton2
            // 
            this.ultraButton2.Location = new System.Drawing.Point(93, 253);
            this.ultraButton2.Name = "ultraButton2";
            this.ultraButton2.Size = new System.Drawing.Size(75, 23);
            this.ultraButton2.TabIndex = 7;
            this.ultraButton2.Text = "clear";
            this.ultraButton2.Click += new System.EventHandler(this.ultraButton2_Click);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(313, 282);
            this.Controls.Add(this.ultraButton2);
            this.Controls.Add(this.ultraButton1);
            this.Controls.Add(this.ultraDataChart1);
            this.Name = "Form1";
            this.Text = "Form1";
            ((System.ComponentModel.ISupportInitialize)(this.ultraDataChart1)).EndInit();
            this.ResumeLayout(false);

        }

        #endregion

        private Infragistics.Win.DataVisualization.UltraDataChart ultraDataChart1;
        private Infragistics.Win.Misc.UltraButton ultraButton1;
        private Infragistics.Win.Misc.UltraButton ultraButton2;
    }
}