upstr: Add null checks to XSSFSheet.RemoveHyperlink method

nissl-lab · Aug 24, 2023 · 5f01090 · 5f01090
1 parent 92dfb28
commit 5f01090
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/ooxml/XSSF/UserModel/XSSFSheet.cs b/ooxml/XSSF/UserModel/XSSFSheet.cs
@@ -3014,7 +3014,14 @@ public void RemoveHyperlink(int row, int column)
                 XSSFHyperlink hyperlink = hyperlinks[index];
                 if (hyperlink.CellRef.Equals(ref1))
                 {
-                    worksheet.hyperlinks.hyperlink.Remove(hyperlink.GetCTHyperlink());
+                    if (worksheet != null
+                        && worksheet.hyperlinks != null
+                        && worksheet.hyperlinks.hyperlink != null
+                        && worksheet.hyperlinks.hyperlink.Contains(hyperlink.GetCTHyperlink()))
+                    {
+                        worksheet.hyperlinks.hyperlink.Remove(hyperlink.GetCTHyperlink());
+                    }
+
                     hyperlinks.RemoveAt(index);
                     return;
                 }