[C# -Chart] Minuszeichen an falscher Stelle

 // 

// chart1

// 

this.chart1.BackColor = System.Drawing.Color.Black;

this.chart1.BorderlineColor = System.Drawing.Color.DimGray;

this.chart1.BorderlineWidth = 2;

chartArea1.AxisX.IsLabelAutoFit = false;

chartArea1.AxisX.LabelStyle.Font = new System.Drawing.Font("Arial Narrow", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));

chartArea1.AxisX.LabelStyle.ForeColor = System.Drawing.Color.Gold;

chartArea1.AxisX.LineColor = System.Drawing.Color.Gray;

chartArea1.AxisX.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.NotSet;

chartArea1.AxisX.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));

chartArea1.AxisY.IsLabelAutoFit = false;

chartArea1.AxisY.LabelAutoFitStyle = ((System.Windows.Forms.DataVisualization.Charting.LabelAutoFitStyles)((((System.Windows.Forms.DataVisualization.Charting.LabelAutoFitStyles.IncreaseFont | System.Windows.Forms.DataVisualization.Charting.LabelAutoFitStyles.DecreaseFont) 

            | System.Windows.Forms.DataVisualization.Charting.LabelAutoFitStyles.StaggeredLabels) 

            | System.Windows.Forms.DataVisualization.Charting.LabelAutoFitStyles.LabelsAngleStep30)));

chartArea1.AxisY.LabelStyle.Font = new System.Drawing.Font("Arial Narrow", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));

chartArea1.AxisY.LabelStyle.ForeColor = System.Drawing.Color.Gold;

chartArea1.AxisY.LabelStyle.Interval = 0D;

chartArea1.AxisY.LabelStyle.IntervalType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Number;

chartArea1.AxisY.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));

chartArea1.AxisY.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));

chartArea1.AxisY.TitleFont = new System.Drawing.Font("Arial Narrow", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));

chartArea1.BackColor = System.Drawing.Color.Black;

chartArea1.CursorX.SelectionColor = System.Drawing.Color.Gold;

chartArea1.CursorY.Interval = 1E-12D;

chartArea1.CursorY.SelectionColor = System.Drawing.Color.Gold;

chartArea1.Name = "ChartArea1";

this.chart1.ChartAreas.Add(chartArea1);

this.chart1.Cursor = System.Windows.Forms.Cursors.Cross;

this.chart1.Dock = System.Windows.Forms.DockStyle.Bottom;

legend1.Alignment = System.Drawing.StringAlignment.Center;

legend1.Docking = System.Windows.Forms.DataVisualization.Charting.Docking.Bottom;

legend1.Name = "Legend1";

this.chart1.Legends.Add(legend1);

this.chart1.Location = new System.Drawing.Point(0, 211);

this.chart1.Margin = new System.Windows.Forms.Padding(2);

this.chart1.Name = "chart1";

this.chart1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;

series1.ChartArea = "ChartArea1";

series1.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;

series1.Color = System.Drawing.Color.Gold;

series1.Font = new System.Drawing.Font("Arial Narrow", 13F, System.Drawing.FontStyle.Bold);

series1.IsVisibleInLegend = false;

series1.LabelBackColor = System.Drawing.Color.Transparent;

series1.LabelBorderColor = System.Drawing.Color.White;

series1.LabelForeColor = System.Drawing.Color.Gold;

series1.Legend = "Legend1";

series1.Name = "DC Voltage";

this.chart1.Series.Add(series1);

this.chart1.Size = new System.Drawing.Size(1008, 519);

this.chart1.TabIndex = 5;

this.chart1.Text = "chart1";

this.chart1.MouseClick += new System.Windows.Forms.MouseEventHandler(this.chart1_MouseClick);

this.chart1.MouseMove += new System.Windows.Forms.MouseEventHandler(this.chart1_MouseMove);

            //

this.chart1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;