添加项目文件。

pkgread/dllmain.cpp

@@ -0,0 +1,21 @@
+// dllmain.cpp : 定义 DLL 应用程序的入口点。
+#include "stdafx.h"
+
+BOOL APIENTRY DllMain( HMODULE hModule,
+                       DWORD  ul_reason_for_call,
+                       LPVOID lpReserved
+					 )
+{
+	switch (ul_reason_for_call)
+	{
+	case DLL_PROCESS_ATTACH:
+	case DLL_THREAD_ATTACH:
+		CoInitializeEx (NULL, COINIT_MULTITHREADED); break;
+	case DLL_THREAD_DETACH:
+	case DLL_PROCESS_DETACH:
+		CoUninitialize ();
+		break;
+	}
+	return TRUE;
+}
+