diff -r 000000000000 -r 6474c204b198 other-licenses/7zstub/src/Windows/COM.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/other-licenses/7zstub/src/Windows/COM.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,57 @@
+// Windows/COM.h
+
+#ifndef __WINDOWS_COM_H
+#define __WINDOWS_COM_H
+
+#include "Common/String.h"
+
+namespace NWindows {
+namespace NCOM {
+
+class CComInitializer
+{
+public:
+  CComInitializer() { CoInitialize(NULL);};
+  ~CComInitializer() { CoUninitialize(); };
+};
+
+class CStgMedium
+{
+  STGMEDIUM _object;
+public:
+  bool _mustBeReleased;
+  CStgMedium(): _mustBeReleased(false) {}
+  ~CStgMedium() { Free(); }
+  void Free() 
+  { 
+    if(_mustBeReleased) 
+      ReleaseStgMedium(&_object); 
+    _mustBeReleased = false;
+  }
+  const STGMEDIUM* operator->() const { return &_object;}
+  STGMEDIUM* operator->() { return &_object;}
+  STGMEDIUM* operator&() { return &_object; }
+};
+
+//////////////////////////////////
+// GUID <--> String Conversions
+UString GUIDToStringW(REFGUID guid);
+AString GUIDToStringA(REFGUID guid);
+#ifdef UNICODE
+  #define GUIDToString GUIDToStringW
+#else
+  #define GUIDToString GUIDToStringA
+#endif // !UNICODE
+
+HRESULT StringToGUIDW(const wchar_t *string, GUID &classID);
+HRESULT StringToGUIDA(const char *string, GUID &classID);
+#ifdef UNICODE
+  #define StringToGUID StringToGUIDW
+#else
+  #define StringToGUID StringToGUIDA
+#endif // !UNICODE
+
+  
+}}
+
+#endif