Remove Unused Styles inside the Workbook

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The following code explains the usage of Workbook.RemoveUnusedStyles(). The code loads the template excel file which you can download from the provided link. It contains an unused style named AsposeStyle, this style and all other unused styles will be removed after the execution of the code.

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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Load template excel file containing unused styles
Workbook workbook = new Workbook(dataDir + "Template-With-Unused-Custom-Style.xlsx");
// Remove all unused styles inside the template this will also remove AsposeStyle which is an unused style inside the template
workbook.RemoveUnusedStyles();
// Save the file
workbook.Save(dataDir + "output_out.xlsx");