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990137-Modify file streams of C# [Cross-platform] in XlsIO UG #1717

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990137-Modify file streams of C# [Cross-platform] in XlsIO UG #1717

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5e48fbc
990137-ExcelToPdfUG
KarthikaSF4773 Nov 4, 2025
e3bf024
990137-ExcelToPdfUG
KarthikaSF4773 Nov 5, 2025
f9d40f1
Merge branch 'hotfix/hotfix-v31.2.2' into 990137-ExcelToPdfUG
KarthikaSF4773 Nov 6, 2025
babb090
990137-ExcelToPdfUG
KarthikaSF4773 Nov 6, 2025
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127 changes: 29 additions & 98 deletions Document-Processing/Excel/Conversions/Excel-to-PDF/NET/Excel-to-PDF-Conversion.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIO renderer.
XlsIORenderer renderer = new XlsIORenderer();
Expand All @@ -36,13 +35,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/WorkbookToPDF.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/WorkbookToPDF.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -102,8 +96,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
IWorksheet worksheet = workbook.Worksheets[0];

//Initialize XlsIO renderer.
Expand All @@ -114,13 +107,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/WorksheetToPDF.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/WorksheetToPDF.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -174,8 +162,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIO renderer.
XlsIORenderer renderer = new XlsIORenderer();
Expand All @@ -187,20 +174,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(sheet.Name +".pdf", FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(sheet.Name + ".pdf");
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();

System.Diagnostics.Process process = new System.Diagnostics.Process();
process.StartInfo = new System.Diagnostics.ProcessStartInfo(sheet.Name + ".pdf")
{
UseShellExecute = true
};
process.Start();
}
}
{% endhighlight %}
Expand Down Expand Up @@ -262,8 +237,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
IWorksheet worksheet = workbook.Worksheets[0];

IChart chart = worksheet.Charts[0];
Expand All @@ -276,13 +250,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/ChartToPDF.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/ChartToPDF.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -347,8 +316,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
IWorksheet worksheet = workbook.Worksheets[0];

//Set print location to comments
Expand All @@ -362,13 +330,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/CommentsInPlaceToPDF.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/CommentsInPlaceToPDF.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -440,8 +403,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
IWorksheet worksheet = workbook.Worksheets[0];

//Set print location to comments
Expand All @@ -455,13 +417,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/CommentsToPDFAtEnd.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/CommentsToPDFAtEnd.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -534,8 +491,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));
IWorksheet worksheet = workbook.Worksheets[0];

//Set print location to comments
Expand All @@ -549,13 +505,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/NoCommentsInPDF.pdf"), FileMode.Create, FileAccess.Write);
pdfDocument.Save(outputStream);
pdfDocument.Save(Path.GetFullPath("Output/NoCommentsInPDF.pdf"));
#endregion

//Dispose streams
outputStream.Dispose();
inputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -632,8 +583,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("CommentsTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorkbook workbook = application.Workbooks.Open("CommentsTemplate.xlsx");
IWorksheet worksheet = workbook.Worksheets[0];

//Add threaded comment
Expand All @@ -651,9 +601,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())

//Convert Excel document into PDF document
PdfDocument pdfDocument = renderer.ConvertToPDF(worksheet);
Stream stream = new FileStream("ExcelComments.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);
stream.Dispose();
pdfDocument.Save("ExcelComments.pdf");
}
{% endhighlight %}

Expand Down Expand Up @@ -761,17 +709,12 @@ namespace FontSubstitution
//Initialize XlsIO renderer.
XlsIORenderer renderer = new XlsIORenderer();

FileStream excelStream = new FileStream("Template.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(excelStream);
IWorkbook workbook = application.Workbooks.Open("Template.xlsx");

//Convert Excel document with charts into PDF document
PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

Stream stream = new FileStream("ExcelToPDF.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);

excelStream.Dispose();
stream.Dispose();
pdfDocument.Save("ExcelToPDF.pdf");
}
}

Expand Down Expand Up @@ -1207,8 +1150,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream fileStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIORenderer
application.XlsIORenderer = new XlsIORenderer();
Expand All @@ -1222,13 +1164,11 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Convert Excel document into PDF document
PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

//Save the converted PDF document to stream.
FileStream stream = new FileStream("Sample.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);
//Save the converted PDF document
pdfDocument.Save("Sample.pdf");

//Close and Dispose
workbook.Close();
stream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -1288,8 +1228,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream fileStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIORenderer
application.XlsIORenderer = new XlsIORenderer();
Expand All @@ -1312,13 +1251,11 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Convert Excel document into PDF document
PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

//Save the converted PDF document to stream.
FileStream stream = new FileStream("Sample.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);
//Save the converted PDF document
pdfDocument.Save("Sample.pdf");

//Close and Dispose
workbook.Close();
stream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -1398,8 +1335,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream fileStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIORenderer
application.XlsIORenderer = new XlsIORenderer();
Expand All @@ -1423,12 +1359,10 @@ using (ExcelEngine excelEngine = new ExcelEngine())
PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

//Excel to PDF
Stream stream = new FileStream("Sample.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);
pdfDocument.Save("Sample.pdf");

//Close and Dispose
workbook.Close();
stream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -1506,8 +1440,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream fileStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.xlsx"));

//Initialize XlsIORenderer
application.XlsIORenderer = new XlsIORenderer();
Expand All @@ -1529,13 +1462,11 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Convert Excel document into PDF document
PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

//Save the PDF document to stream
FileStream stream = new FileStream("Sample.pdf", FileMode.Create, FileAccess.ReadWrite);
pdfDocument.Save(stream);
//Save the PDF document
pdfDocument.Save("Sample.pdf");

//Close and Dispose
workbook.Close();
stream.Dispose();
}
{% endhighlight %}

Expand Down
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