From 065ebadc78f03014074c812f40495df3ee1eb073 Mon Sep 17 00:00:00 2001
From: gc87 <sfme@qq.com>
Date: Sat, 30 Jul 2022 17:19:06 +0800
Subject: [PATCH] fix: compilation error due to syntax

---
 OPCClientToolKit/OPCGroup.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/OPCClientToolKit/OPCGroup.cpp b/OPCClientToolKit/OPCGroup.cpp
index 5cf7eab..0a1ce38 100644
--- a/OPCClientToolKit/OPCGroup.cpp
+++ b/OPCClientToolKit/OPCGroup.cpp
@@ -62,9 +62,8 @@ class CAsyncDataCallback : public IOPCDataCallback
 
         if (iid == IID_IUnknown)
         {
-            *ppInterface = (IUnknown *)
+            *ppInterface = (IUnknown *)this;
         }
-        this;
         else if (iid == IID_IOPCDataCallback)
         {
             *ppInterface = (IOPCDataCallback *)this;