--- mstools/samples/multipad/mpopen.c	2018/08/09 18:20:01	1.1.1.1
+++ mstools/samples/multipad/mpopen.c	2018/08/09 18:20:41	1.1.1.2
@@ -268,7 +268,7 @@ BOOL APIENTRY FileOpenDlgProc (
 VOID APIENTRY GetFileName(PSTR pstr)
 {
 #ifdef NOTCOMMONDIALOGS
-    DialogBoxParam (hInst, IDD_FILEOPEN, hwndFrame, (WNDPROC)FileOpenDlgProc, (LONG)pstr);
+    DialogBoxParam (hInst, IDD_FILEOPEN, hwndFrame, FileOpenDlgProc, (LONG)pstr);
 #else
     OPENFILENAME ofn;
     CHAR szFilterSpec [128] =                       /* file type filters */