Index: src/libchcore/TOverlappedDataBuffer.h
===================================================================
diff -u -N -r7fd37811dbce76d429b80e4703e88925982f5859 -rb89aea376d35ce4b0d6506f7d04dba73830d9268
--- src/libchcore/TOverlappedDataBuffer.h	(.../TOverlappedDataBuffer.h)	(revision 7fd37811dbce76d429b80e4703e88925982f5859)
+++ src/libchcore/TOverlappedDataBuffer.h	(.../TOverlappedDataBuffer.h)	(revision b89aea376d35ce4b0d6506f7d04dba73830d9268)
@@ -78,6 +78,7 @@
 		void SetFilePosition(unsigned long long ullPosition) { OffsetHigh = (DWORD)(ullPosition >> 32); Offset = (DWORD)ullPosition; }
 
 		void* GetParam() const { return m_pParam; }
+		void SetParam(void* pParam) { m_pParam = pParam; }
 
 		// composite initialization
 		void InitForRead(unsigned long long ullPosition, DWORD dwRequestedSize);