Merge pull request #1207 from Zbyszard/feature/settable-usezip64-flag

Make it possible to set UseZip64 flag
nissl-lab · Nov 6, 2023 · 0eecfeb · 0eecfeb
2 parents c22596d + 6b9e84e
commit 0eecfeb
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/ooxml/XSSF/Streaming/SXSSFWorkbook.cs b/ooxml/XSSF/Streaming/SXSSFWorkbook.cs
@@ -101,6 +101,12 @@ public int RandomAccessWindowSize
         /// </summary>
         private bool _compressTmpFiles = false;
 
+        /// <summary>
+        /// setting this flag On allows to write large files;
+        /// however, this can lead to compatibility issues
+        /// </summary>
+        private UseZip64 _useZip64 = UseZip64.Off;
+
         /// <summary>
         /// shared string table - a cache of strings in this workbook.
         /// </summary>
@@ -152,6 +158,13 @@ public bool IsHidden
             set { XssfWorkbook.IsHidden = value; }
         }
 
+        public UseZip64 UseZip64
+        {
+            get { return _useZip64; }
+
+            set { _useZip64 = value; }
+        }
+
 
         #region Constructors
         /**
@@ -444,7 +457,7 @@ private void InjectData(FileInfo zipfile, Stream outStream, bool leaveOpen)
                 try
                 {
                     zos.IsStreamOwner = !leaveOpen;
-                    zos.UseZip64 = UseZip64.Off;
+                    zos.UseZip64 = _useZip64;
                     //ZipEntrySource zipEntrySource = new ZipFileZipEntrySource(zip);
                     //var en =  zipEntrySource.Entries;
                     var en = zip.GetEnumerator();