From 0965698c585df8b4bf744d8eac7056197b1fa2be Mon Sep 17 00:00:00 2001
From: Miguel Gimenez <wh11204@users.noreply.github.com>
Date: Sun, 3 Dec 2023 15:43:04 +0100
Subject: [PATCH] Add support for VT_UI8 OLE VARIANT type

Convert it to and from wxULongLong, as just as we already convert
between VT_I8 and wxLongLong.

Closes #24115.
---
 src/msw/ole/oleutils.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/msw/ole/oleutils.cpp b/src/msw/ole/oleutils.cpp
index 4a6c90ac0c..72f5b29cc8 100644
--- a/src/msw/ole/oleutils.cpp
+++ b/src/msw/ole/oleutils.cpp
@@ -299,7 +299,12 @@ WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& ole
         oleVariant.vt = VT_I8;
         oleVariant.llVal = variant.GetLongLong().GetValue();
     }
-#endif
+    else if (type == wxT("ulonglong"))
+    {
+        oleVariant.vt = VT_UI8;
+        oleVariant.ullVal = variant.GetULongLong().GetValue();
+    }
+#endif // wxUSE_LONGLONG
     else if (type == wxT("char"))
     {
         oleVariant.vt=VT_I1;            // Signed Char
@@ -469,6 +474,9 @@ wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant, long fla
             case VT_I8:
                 variant = wxLongLong(oleVariant.llVal);
                 break;
+            case VT_UI8:
+                variant = wxULongLong(oleVariant.ullVal);
+                break;
 #endif // wxUSE_LONGLONG
 
             case VT_I4: