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 									<li>
 										<a href="/document-processing/excel/excel-library/net/faqs/how-to-set-chart-title-properites-like-type-of-font, color, bold, size">How to set chart title properties like type of font, color, bold, size using XLsIO?</a>
 									</li>
+                  <li>
+										<a href="/document-processing/excel/excel-library/net/faqs/how-to-set-invert-if-negative-option-for-a-chart">How to set invert if negative option for a chart using XLsIO?</a>
+									</li>
 								</ul>
 							</li>
 						</ul>
diff --git a/Document-Processing/Excel/Excel-Library/NET/faqs/how-to-set-invert-if-negative-option-for-a-chart.md b/Document-Processing/Excel/Excel-Library/NET/faqs/how-to-set-invert-if-negative-option-for-a-chart.md
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+---
+title: Setting Invert If negative option in Chart properties | Syncfusion
+description: This page tells how to set invert if negative option for a chart using Syncfusion XlsIO in C# (Cross-platform and Windows-specific) and VB.NET.
+platform: document-processing
+control: XlsIO
+documentation: UG
+---
+
+# How to set invert if negative option for a chart using XlsIO?
+
+
+The following code samples demonstrate how to set the "Invert if negative" option for a chart using C# (Cross-platform and Windows-specific) and VB.NET for XLSX files. For XLS (binary) file format, see the section below.
+
+{% tabs %}  
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    #region Workbook Initialization
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
+    IWorksheet worksheet = workbook.Worksheets[0];
+    #endregion
+
+    IChart chart = worksheet.Charts[0];
+
+    //Used to invert series color if the value is negative
+    (chart.Series[0] as ChartSerieImpl).InvertIfNegative = true;
+
+    #region Save
+    //Saving the workbook
+    workbook.SaveAs(Path.GetFullPath("Output/Output.xlsx"));
+    #endregion
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    #region Workbook Initialization
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx");
+    IWorksheet worksheet = workbook.Worksheets[0];
+    #endregion
+
+    IChart chart = worksheet.Charts[0];
+
+    //Used to invert series color if the value is negative
+    (chart.Series[0] as ChartSerieImpl).InvertIfNegative = true;
+
+    #region Save
+    //Saving the workbook
+    workbook.SaveAs("Output.xlsx");
+    #endregion
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+    Dim application As IApplication = excelEngine.Excel
+    application.DefaultVersion = ExcelVersion.Xlsx
+    Dim workbook As IWorkbook = application.Workbooks.Open("InputTemplate.xlsx")
+    Dim worksheet As IWorksheet = workbook.Worksheets(0)
+
+    Dim chart As IChart = worksheet.Charts(0)
+
+    'Used to invert series color if the value is negative
+    DirectCast(chart.Series(0), ChartSerieImpl).InvertIfNegative = True
+
+    'Saving the workbook
+    workbook.SaveAs("Output.xlsx")
+End Using
+{% endhighlight %}
+{% endtabs %} 
+
+A complete working example in C# is present on <a href="https://github.com/SyncfusionExamples/XlsIO-Examples/tree/1007137-ChartInvert/FAQ/Chart/.NET/ChartInvertIfNegative">this GitHub page</a>.
+
+## How to set invert if negative option for a chart in XLS (binary) file format?
+
+In case of binary file format (XLS), kindly use the following code snippet.
+
+{% tabs %}  
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Excel97to2003;
+    IWorkbook workbook = application.Workbooks.Open("InputTemplate.xls");
+    IWorksheet worksheet = workbook.Worksheets[0];
+
+    IChart chart = worksheet.Charts[0];
+
+    // Used to invert series color if the value is negative in XLS (binary) format
+    chart.Series[0].SerieFormat.Interior.SwapColorsOnNegative = true;
+
+    // Saving the workbook
+    workbook.SaveAs("Output.xls");
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    #region Workbook Initialization
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Open("InputTemplatexlsx.xls");
+    IWorksheet worksheet = workbook.Worksheets[0];
+    #endregion
+
+    IChart chart = worksheet.Charts[0];
+
+    // Used to invert series color if the value is negative in XLS (binary) format
+    chart.Series[0].SerieFormat.Interior.SwapColorsOnNegative = true;
+
+    #region Save
+    //Saving the workbook
+    workbook.SaveAs("Output.xls");
+    #endregion
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+    Dim application As IApplication = excelEngine.Excel
+    application.DefaultVersion = ExcelVersion.Excel97to2003
+    Dim workbook As IWorkbook = application.Workbooks.Open("InputTemplate.xls")
+    Dim worksheet As IWorksheet = workbook.Worksheets(0)
+
+    Dim chart As IChart = worksheet.Charts(0)
+
+    ' Used to invert series color if the value is negative in XLS (binary) format
+    chart.Series(0).SerieFormat.Interior.SwapColorsOnNegative = True
+
+    ' Saving the workbook
+    workbook.SaveAs("Output.xls")
+End Using
+{% endhighlight %}
+{% endtabs %}
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