paragraph.Format.AdjustRightIndent = true; // Default value is true

textRange.CharacterFormat.Kerning = 2.5f;

Document document = new Document();
Section section = document.AddSection();
Spire.Doc.Documents.Paragraph paragraph = section.AddParagraph(); paragraph.Format.HorizontalAlignment = HorizontalAlignment.Center;
Spire.Doc.Fields.TextRange textRange = paragraph.AppendText("RepeatingBendingProcess");
textRange.CharacterFormat.FontSize = 28f;
textRange.CharacterFormat.FontName = "Times New Roman";
paragraph = section.AddParagraph();
paragraph = section.AddParagraph();
paragraph.Format.HorizontalAlignment = HorizontalAlignment.Center;
// Add SmartArt with "Segmented Process" layout
Spire.Doc.Fields.Shapes.Shape shape = paragraph.AppendSmartArt(SmartArtType.RepeatingBendingProcess, 432, 252);
SmartArt repeatingBendingSmartArt = shape.SmartArt;
// Add node text
SmartArtNode process1 = repeatingBendingSmartArt.Nodes[0];
process1.Text = "1";
          ((Spire.Doc.Fields.TextRange)process1.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontName = "Calibri";
        ((Spire.Doc.Fields.TextRange)process1.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontSize = 20f;
            ((Spire.Doc.Fields.TextRange)process1.Paragraphs[0].ChildObjects[0]).CharacterFormat.TextColor = Color.Crimson;
// Add node text
SmartArtNode process2 = repeatingBendingSmartArt.Nodes[1];
process2.Text = "2";
           ((Spire.Doc.Fields.TextRange)process2.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontSize = 15f;
// Add node text   
SmartArtNode process3 = repeatingBendingSmartArt.Nodes[2];
process3.Text = "3";
            ((Spire.Doc.Fields.TextRange)process3.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontSize = 10f;
// Add node text
SmartArtNode process4 = repeatingBendingSmartArt.Nodes[3];
process4.Text = "4";
            ((Spire.Doc.Fields.TextRange)process4.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontSize = 10f;
// Add node text
SmartArtNode process5 = repeatingBendingSmartArt.Nodes[4];
process5.Text = "5";
            ((Spire.Doc.Fields.TextRange)process5.Paragraphs[0].ChildObjects[0]).CharacterFormat.FontSize = 10f; 
document.SaveToFile(outputFile, FileFormat.Docx); 
document.Close();

using (Document document = new Document(inputFile))
            {
                // Iterate through all sections
                foreach (Section section in document.Sections)
                {
                    if (section?.Paragraphs == null) continue;

                    // Iterate through all paragraphs in the section
                    foreach (Spire.Doc.Documents.Paragraph paragraph in section.Paragraphs)
                    {
                        foreach (var childObj in paragraph.ChildObjects)
                        {
                            if (childObj is Spire.Doc.Fields.Shapes.Shape shape && shape.HasSmartArt)
                            {
                                SmartArt smartArt = shape.SmartArt;
                                if (smartArt == null) continue;
                                TraverseSmartArtNodes(smartArt.Nodes, builder, 0);
                            }
                        }
                    }
                }
            }
public static void TraverseSmartArtNodes(SmartArtNodeCollection nodes, StringBuilder builder, int level)
        {
            if (nodes == null || nodes.Count == 0) return;

            for (int nodeIdx = 0; nodeIdx < nodes.Count; nodeIdx++)
            {
                SmartArtNode node = nodes[nodeIdx];
                if (node == null) continue;

                // Clean node text
                string nodeText = node.Text != null ? node.Text.Trim() : "Empty Text";
                if (nodeText == "\r" || string.IsNullOrEmpty(nodeText)) continue;

                // Concatenate node level identifier
                string nodePrefix;
                switch (level)
                {
                    case 0:
                        nodePrefix = "smartArt.Nodes";
                        break;
                    case 1:
                        nodePrefix = "smartArt.Nodes.ChildNodes";
                        break;
                    case 2:
                        nodePrefix = "smartArt.Nodes.ChildNodes.ChildNodes";
                        break;
                    default:
                        nodePrefix = $"smartArt.Nodes.Level{level}";
                        break;
                }
                // Basic text output
                builder.AppendLine($"{nodePrefix}_{nodeIdx}: {nodeText}");
                // Recursively process child nodes
                TraverseSmartArtNodes(node.ChildNodes, builder, level + 1);
            }
        }

Document.SaveToFile("output.xlsx", FileFormat.XLSX);

Adding VBA project:

Workbook workbook = new Workbook();

// Add VBA project to the document
IVbaProject vbaProject = workbook.VbaProject;
vbaProject.Name = "SampleVBAMacro";

string text = "Encoding before modification: " + vbaProject.CodePage.ToString() + "\n";
vbaProject.CodePage = 936; // Set encoding, support Chinese

text += "Encoding after modification: " + vbaProject.CodePage.ToString() + "\n";
File.WriteAllText(outputFile_TXT, text);

// Add VBA module to the project
IVbaModule vbaModule = vbaProject.Modules.Add("SampleModule", VbaModuleType.Module);
// Set VBA macro source code
vbaModule.SourceCode = @"
Sub ExampleMacro()
    ' Declare variables
    Dim ws As Worksheet
    Dim i As Integer
    
    ' Set reference to the active worksheet 
    Set ws = ActiveSheet 
    
    ' Clear worksheet content (optional)
    ws.Cells.Clear
    
    ' Populate sample data
    With ws
        ' Write header row 
        .Range(""A1:C1"").Value = Array(""No."", ""Project Name"", ""Amount"")
        
        ' Loop to fill 10 rows of data 
        For i = 1 To 10
            .Cells(i + 1, 1).Value = i  ' No. column 
            .Cells(i + 1, 2).Value = ""Project "" & i  ' Project Name column 
            .Cells(i + 1, 3).Value = i * 100  ' Amount column (example calculation)
        Next i
        
        ' AutoFit column widths 
        .Columns(""A:C"").AutoFit
        
        ' Format header row
        With .Range(""A1:C1"")
            .Font.Bold = True
            .Interior.Color = RGB(200, 220, 255)  ' Light blue background
        End With
        
        ' Format amount column 
        .Range(""C2:C11"").NumberFormat = ""$#,##0.00""
    End With
    
    ' Show completion message
    MsgBox ""Data population completed!"", vbInformation, ""Operation Prompt""
End Sub";

// Save the Excel file
workbook.SaveToFile(outputFile_Xls, FileFormat.Version97to2003);

Reading VBA project:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet ws = wb.Worksheets[0];
IVbaProject vbaProject = wb.VbaProject;

string text = "IsProtected：" + vbaProject.IsProtected + "\n";
text += "Name：" + vbaProject.Name + "\n";
text += "Description：" + vbaProject.Description + "\n";
text += "HelpFileName：" + vbaProject.HelpFileName + "\n";
text += "ConditionalCompilation：" + vbaProject.ConditionalCompilation + "\n";
text += "LockProjectView：" + vbaProject.LockProjectView + "\n";
text += "Password：" + vbaProject.Password + "\n";
text += "CodePage：" + vbaProject.CodePage + "\n";

IVbaModule mod = vbaProject.Modules.GetWorksheetModule(ws);
text += "IVbaModule：" + "\n";
text += "Name：" + mod.Name.ToString() + "\n";
text += "SourceCode：\n" + mod.SourceCode.ToString() + "\n";
text += "Type：" + mod.Type.ToString() + "\n";

File.WriteAllText(outputFile_TXT, text.ToString());
vbaProject.Modules.Clear();
wb.SaveToFile(outputFile);

Editing VBA project:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet ws = wb.Worksheets[0];

IVbaProject vbaProject = wb.VbaProject;
vbaProject.Password = "1234";
vbaProject.Name = "modify";
vbaProject.Description = "Description";
vbaProject.HelpFileName = "image1.png";
vbaProject.ConditionalCompilation = "DEBUG = 2";
vbaProject.LockProjectView = true;

IVbaModule mod = vbaProject.Modules.GetWorksheetModule(ws);
mod.Name = "IVbaModule";
mod.SourceCode = "Dim lRow As Long";
mod.Type = VbaModuleType.Module;

wb.SaveToFile(outputFile);

Removing VBA project:

Workbook wb1 = new Workbook();
wb1.LoadFromFile(inputFile_1);
IVbaProject vbaProject1 = wb1.VbaProject;

vbaProject1.Modules.Remove("SampleModule");
vbaProject1.Modules.RemoveAt(0);
 
wb1.SaveToFile(outputFile_1);

Creating scenarios:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// Initialize list objects with different values for scenarios
List<object> currentChangePercentage_Values = new List<object> { 0.23, 0.8, 1.1, 0.5, 0.35, 0.2 };
List<object> increasedChangePercentage_Values = new List<object> { 0.45, 0.56, 0.9, 0.5, 0.58, 0.43 };
List<object> decreasedChangePercentage_Values = new List<object> { 0.3, 0.2, 0.5, 0.3, 0.5, 0.23 };
List<object> currentQuantity_Values = new List<object> { 1500, 3000, 5000, 4000, 500, 4000 };
List<object> increasedQuantity_Values = new List<object> { 1000, 5000, 4500, 3900, 10000, 8900 };
List<object> decreasedQuantity_Values = new List<object> { 1000, 2000, 3000, 3000, 300, 4000 };

// Add scenarios in the worksheet with different values for the same cells
scenarios.Add("Current % of Change", worksheet.Range["F5:F10"], currentChangePercentage_Values);
scenarios.Add("Increased % of Change", worksheet.Range["F5:F10"], increasedChangePercentage_Values);
scenarios.Add("Decreased % of Change", worksheet.Range["F5:F10"], decreasedChangePercentage_Values);
scenarios.Add("Current Quantity", worksheet.Range["D5:D10"], currentQuantity_Values);
scenarios.Add("Increased Quantity", worksheet.Range["D5:D10"], increasedQuantity_Values);
scenarios.Add("Decreased Quantity", worksheet.Range["D5:D10"], decreasedQuantity_Values);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Generating scenario summary:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// Initialize list objects with different values for scenarios
List<object> currentChangePercentage_Values = new List<object>{ 0.23, 0.8, 1.1, 0.5, 0.35, 0.2 };
List<object> increasedChangePercentage_Values = new List<object> { 0.45, 0.56, 0.9, 0.5, 0.58, 0.43 };
List<object> decreasedChangePercentage_Values = new List<object> { 0.3, 0.2, 0.5, 0.3, 0.5, 0.23 };
List<object> currentQuantity_Values = new List<object> { 1500, 3000, 5000, 4000, 500, 4000 };
List<object> increasedQuantity_Values = new List<object> { 1000, 5000, 4500, 3900, 10000, 8900 };
List<object> decreasedQuantity_Values = new List<object> { 1000, 2000, 3000, 3000, 300, 4000 };

// Add scenarios in the worksheet with different values for the same cells
scenarios.Add("Current % of Change", worksheet.Range["F5:F10"], currentChangePercentage_Values);
scenarios.Add("Increased % of Change", worksheet.Range["F5:F10"], increasedChangePercentage_Values);
scenarios.Add("Decreased % of Change", worksheet.Range["F5:F10"], decreasedChangePercentage_Values);
scenarios.Add("Current Quantity", worksheet.Range["D5:D10"], currentQuantity_Values);
scenarios.Add("Increased Quantity", worksheet.Range["D5:D10"], increasedQuantity_Values);
scenarios.Add("Decreased Quantity", worksheet.Range["D5:D10"], decreasedQuantity_Values);

// Create Summary
worksheet.Scenarios.Summary(worksheet.Range["L7"]);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Editing scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;
XlsScenario scenario1 = scenarios[0];
XlsScenario scenario2 = scenarios[1];

// Modify the scenario 
scenario1.SetVariableCells(worksheet.Range["A1:A5"], scenario2.Values);

CellRange sourceCell = worksheet.Range["B1:B5"];
scenario2.SetVariableCells(sourceCell, scenario2.Values);

scenario1.Show();
scenario2.Show();

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Merging scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet1 = wb.Worksheets[0];
Worksheet worksheet2 = wb.Worksheets[1];

// Merge the scenario 
worksheet1.Scenarios.Merge(worksheet2);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Deleting scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// delete the scenario 
scenarios.RemoveScenarioAt(0);
scenarios.RemoveScenarioByName("two");

string content = "";
content += "Count:" + scenarios.Count + "\n";
content += "ContainsScenario:" + scenarios.ContainsScenario("two").ToString() + "\n";
content += "ContainsScenario:" + scenarios.ContainsScenario("one").ToString() + "\n";
File.WriteAllText(outputFile, content.ToString());

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Adding VBA project:

Workbook workbook = new Workbook();

// Add VBA project to the document
IVbaProject vbaProject = workbook.VbaProject;
vbaProject.Name = "SampleVBAMacro";

string text = "Encoding before modification: " + vbaProject.CodePage.ToString() + "\n";
vbaProject.CodePage = 936; // Set encoding, support Chinese

text += "Encoding after modification: " + vbaProject.CodePage.ToString() + "\n";
File.WriteAllText(outputFile_TXT, text);

// Add VBA module to the project
IVbaModule vbaModule = vbaProject.Modules.Add("SampleModule", VbaModuleType.Module);
// Set VBA macro source code
vbaModule.SourceCode = @"
Sub ExampleMacro()
    ' Declare variables
    Dim ws As Worksheet
    Dim i As Integer
    
    ' Set reference to the active worksheet 
    Set ws = ActiveSheet 
    
    ' Clear worksheet content (optional)
    ws.Cells.Clear
    
    ' Populate sample data
    With ws
        ' Write header row 
        .Range(""A1:C1"").Value = Array(""No."", ""Project Name"", ""Amount"")
        
        ' Loop to fill 10 rows of data 
        For i = 1 To 10
            .Cells(i + 1, 1).Value = i  ' No. column 
            .Cells(i + 1, 2).Value = ""Project "" & i  ' Project Name column 
            .Cells(i + 1, 3).Value = i * 100  ' Amount column (example calculation)
        Next i
        
        ' AutoFit column widths 
        .Columns(""A:C"").AutoFit
        
        ' Format header row
        With .Range(""A1:C1"")
            .Font.Bold = True
            .Interior.Color = RGB(200, 220, 255)  ' Light blue background
        End With
        
        ' Format amount column 
        .Range(""C2:C11"").NumberFormat = ""$#,##0.00""
    End With
    
    ' Show completion message
    MsgBox ""Data population completed!"", vbInformation, ""Operation Prompt""
End Sub";

// Save the Excel file
workbook.SaveToFile(outputFile_Xls, FileFormat.Version97to2003);

Reading VBA project:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet ws = wb.Worksheets[0];
IVbaProject vbaProject = wb.VbaProject;

string text = "IsProtected：" + vbaProject.IsProtected + "\n";
text += "Name：" + vbaProject.Name + "\n";
text += "Description：" + vbaProject.Description + "\n";
text += "HelpFileName：" + vbaProject.HelpFileName + "\n";
text += "ConditionalCompilation：" + vbaProject.ConditionalCompilation + "\n";
text += "LockProjectView：" + vbaProject.LockProjectView + "\n";
text += "Password：" + vbaProject.Password + "\n";
text += "CodePage：" + vbaProject.CodePage + "\n";

IVbaModule mod = vbaProject.Modules.GetWorksheetModule(ws);
text += "IVbaModule：" + "\n";
text += "Name：" + mod.Name.ToString() + "\n";
text += "SourceCode：\n" + mod.SourceCode.ToString() + "\n";
text += "Type：" + mod.Type.ToString() + "\n";

File.WriteAllText(outputFile_TXT, text.ToString());
vbaProject.Modules.Clear();
wb.SaveToFile(outputFile);

Editing VBA project:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet ws = wb.Worksheets[0];

IVbaProject vbaProject = wb.VbaProject;
vbaProject.Password = "1234";
vbaProject.Name = "modify";
vbaProject.Description = "Description";
vbaProject.HelpFileName = "image1.png";
vbaProject.ConditionalCompilation = "DEBUG = 2";
vbaProject.LockProjectView = true;

IVbaModule mod = vbaProject.Modules.GetWorksheetModule(ws);
mod.Name = "IVbaModule";
mod.SourceCode = "Dim lRow As Long";
mod.Type = VbaModuleType.Module;

wb.SaveToFile(outputFile);

Removing VBA project:

Workbook wb1 = new Workbook();
wb1.LoadFromFile(inputFile_1);
IVbaProject vbaProject1 = wb1.VbaProject;

vbaProject1.Modules.Remove("SampleModule");
vbaProject1.Modules.RemoveAt(0);
 
wb1.SaveToFile(outputFile_1);

Creating scenarios:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// Initialize list objects with different values for scenarios
List<object> currentChangePercentage_Values = new List<object> { 0.23, 0.8, 1.1, 0.5, 0.35, 0.2 };
List<object> increasedChangePercentage_Values = new List<object> { 0.45, 0.56, 0.9, 0.5, 0.58, 0.43 };
List<object> decreasedChangePercentage_Values = new List<object> { 0.3, 0.2, 0.5, 0.3, 0.5, 0.23 };
List<object> currentQuantity_Values = new List<object> { 1500, 3000, 5000, 4000, 500, 4000 };
List<object> increasedQuantity_Values = new List<object> { 1000, 5000, 4500, 3900, 10000, 8900 };
List<object> decreasedQuantity_Values = new List<object> { 1000, 2000, 3000, 3000, 300, 4000 };

// Add scenarios in the worksheet with different values for the same cells
scenarios.Add("Current % of Change", worksheet.Range["F5:F10"], currentChangePercentage_Values);
scenarios.Add("Increased % of Change", worksheet.Range["F5:F10"], increasedChangePercentage_Values);
scenarios.Add("Decreased % of Change", worksheet.Range["F5:F10"], decreasedChangePercentage_Values);
scenarios.Add("Current Quantity", worksheet.Range["D5:D10"], currentQuantity_Values);
scenarios.Add("Increased Quantity", worksheet.Range["D5:D10"], increasedQuantity_Values);
scenarios.Add("Decreased Quantity", worksheet.Range["D5:D10"], decreasedQuantity_Values);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Generating scenario summary:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// Initialize list objects with different values for scenarios
List<object> currentChangePercentage_Values = new List<object>{ 0.23, 0.8, 1.1, 0.5, 0.35, 0.2 };
List<object> increasedChangePercentage_Values = new List<object> { 0.45, 0.56, 0.9, 0.5, 0.58, 0.43 };
List<object> decreasedChangePercentage_Values = new List<object> { 0.3, 0.2, 0.5, 0.3, 0.5, 0.23 };
List<object> currentQuantity_Values = new List<object> { 1500, 3000, 5000, 4000, 500, 4000 };
List<object> increasedQuantity_Values = new List<object> { 1000, 5000, 4500, 3900, 10000, 8900 };
List<object> decreasedQuantity_Values = new List<object> { 1000, 2000, 3000, 3000, 300, 4000 };

// Add scenarios in the worksheet with different values for the same cells
scenarios.Add("Current % of Change", worksheet.Range["F5:F10"], currentChangePercentage_Values);
scenarios.Add("Increased % of Change", worksheet.Range["F5:F10"], increasedChangePercentage_Values);
scenarios.Add("Decreased % of Change", worksheet.Range["F5:F10"], decreasedChangePercentage_Values);
scenarios.Add("Current Quantity", worksheet.Range["D5:D10"], currentQuantity_Values);
scenarios.Add("Increased Quantity", worksheet.Range["D5:D10"], increasedQuantity_Values);
scenarios.Add("Decreased Quantity", worksheet.Range["D5:D10"], decreasedQuantity_Values);

// Create Summary
worksheet.Scenarios.Summary(worksheet.Range["L7"]);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Editing scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;
XlsScenario scenario1 = scenarios[0];
XlsScenario scenario2 = scenarios[1];

// Modify the scenario 
scenario1.SetVariableCells(worksheet.Range["A1:A5"], scenario2.Values);

CellRange sourceCell = worksheet.Range["B1:B5"];
scenario2.SetVariableCells(sourceCell, scenario2.Values);

scenario1.Show();
scenario2.Show();

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Merging scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet1 = wb.Worksheets[0];
Worksheet worksheet2 = wb.Worksheets[1];

// Merge the scenario 
worksheet1.Scenarios.Merge(worksheet2);

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

Deleting scenario:

Workbook wb = new Workbook();
wb.LoadFromFile(inputFile);
Worksheet worksheet = wb.Worksheets[0];

// Access the collection of scenarios in the worksheet
XlsScenarioCollection scenarios = worksheet.Scenarios;

// delete the scenario 
scenarios.RemoveScenarioAt(0);
scenarios.RemoveScenarioByName("two");

string content = "";
content += "Count:" + scenarios.Count + "\n";
content += "ContainsScenario:" + scenarios.ContainsScenario("two").ToString() + "\n";
content += "ContainsScenario:" + scenarios.ContainsScenario("one").ToString() + "\n";
File.WriteAllText(outputFile, content.ToString());

// Saving the workbook
wb.SaveToFile(outputFile, ExcelVersion.Version2013);
wb.Dispose();

String inputFile = "input.pptx";
String outputFile = "output.mp4";  

Presentation presentation = new Presentation();
presentation.loadFromFile(inputFile);

SaveToVideoOption saveOption = new SaveToVideoOption.Builder("D:\\tools\\ffmpeg-7.1.1-essentials_build\\bin")  // Set ffmpeg path
.setFps()  // Frame rate
.setThreadsCount()  // Number of threads
.setDurationForEachSlide()  // Duration for each slide
.build(); 
presentation.setSaveToVideoOption(saveOption);
presentation.saveToFile(outputFile, FileFormat.AUTO);

HtmlExportOptions options = document.getHtmlExportOptions();
options.setOfficeMathOutputMode(HtmlOfficeMathOutputMode.Math_ML);

Document.SaveToFile("output.xlsx", FileFormat.XLSX);