Index: src/ch/ch.h
===================================================================
diff -u -N -r0d5b67ee96b435d63f7bf075dc8e28603793b187 -r9ddf8fdd5f641491dd30c49eb90f8f740314b6af
--- src/ch/ch.h	(.../ch.h)	(revision 0d5b67ee96b435d63f7bf075dc8e28603793b187)
+++ src/ch/ch.h	(.../ch.h)	(revision 9ddf8fdd5f641491dd30c49eb90f8f740314b6af)
@@ -41,7 +41,7 @@
 
 	PCTSTR GetHelpPath() const { return m_pszHelpFilePath; }
 
-	friend int MsgBox(UINT uiID, UINT nType=MB_OK, UINT nIDHelp=0);
+	static int MsgBox(UINT uiID, UINT nType=MB_OK, UINT nIDHelp=0);
 
 	friend CCopyHandlerApp& GetApplication();
 	static ictranslate::CResourceManager& GetResManager();
@@ -113,4 +113,9 @@
 	return GetApp().GetShellExtensionConfig();
 }
 
+inline int MsgBox(UINT uiID, UINT nType = MB_OK, UINT nIDHelp = 0)
+{
+	return GetApp().MsgBox(uiID, nType, nIDHelp);
+}
+
 #endif