Merge pull request #157 from SyncfusionExamples/SectionPPT

Updated GitHub examples for split sections to ZIP Output files

Author: MathanKumarVaradhaRajaPerumal

Sections/Split-PowerPoint-by-Sections/.NET/Split-PowerPoint-by-sections/Program.cs

@@ -1,22 +1,39 @@
-using Syncfusion.Presentation;
+// Create a ZIP archive and set the compression level to Best.
+using Syncfusion.Presentation;
+using Syncfusion.Compression.Zip;
 
-//Opens the source PPTX document. 
+ZipArchive zipArchive = new ZipArchive();
+zipArchive.DefaultCompressionLevel = Syncfusion.Compression.CompressionLevel.Best;
+
+// Open the source PowerPoint presentation.
 IPresentation sourcePptx = Presentation.Open(Path.GetFullPath(@"Data/Template.pptx"));
 
-//Iterates through each section. 
+// Iterate through each section in the presentation.
 foreach (ISection section in sourcePptx.Sections)
 {
-    //Creates a destination PPTX document. Existing presentations can also be used here. 
+    // Create a new destination presentation for the current section.
     IPresentation destinationPptx = Presentation.Create();
-    // Clone the slides from the section and move to new PPTX document. 
+
+    // Clone all slides from the current section and add them to the new presentation.
     foreach (ISlide slide in section.Slides)
     {
         destinationPptx.Slides.Add(slide.Clone(), PasteOptions.SourceFormatting, sourcePptx);
     }
-    //Saves the destination PPTX document. 
-    string outputPath = Path.Combine(Path.GetFullPath("Output"), section.Name + "_Slides.pptx");
-    destinationPptx.Save(outputPath);
+    // Save the section presentation to a memory stream.
+    MemoryStream memoryStream = new MemoryStream();
+    destinationPptx.Save(memoryStream);
+
+    // Add the generated presentation to the ZIP archive with the section name as the file name.
+	string outputPath = Path.Combine(section.Name + "_Slides.pptx");
+    zipArchive.AddItem(outputPath, memoryStream, true, Syncfusion.Compression.FileAttributes.Normal);
+
+    // Close the destination presentation.
     destinationPptx.Close();
 }
-//Closes the PPTX document. 
+
+// Save the ZIP archive containing all section presentations.
+zipArchive.Save(Path.GetFullPath(@"Output/Split-PowerPoint-by-sections.zip"));
+// Close the ZIP archive.
+zipArchive.Close();
+// Close the source presentation.
 sourcePptx.Close();