--- mstools/samples/sdktools/pviewer/pviewdat.c	2018/08/09 18:24:28	1.1
+++ mstools/samples/sdktools/pviewer/pviewdat.c	2018/08/09 18:27:05	1.1.1.2
@@ -1140,14 +1140,14 @@ BOOL            bPrioCounter;
                                   PVIEW_THREAD_ABOVE);
                 break;
 
-            case -1:
+            case (DWORD) -1:
                 CheckRadioButton (hWnd,
                                   PVIEW_THREAD_HIGHEST,
                                   PVIEW_THREAD_LOWEST,
                                   PVIEW_THREAD_BELOW);
                 break;
 
-            case -2:
+            case (DWORD) -2:
                 CheckRadioButton (hWnd,
                                   PVIEW_THREAD_HIGHEST,
                                   PVIEW_THREAD_LOWEST,