Fix processing of the command line.

programs/control/control.c

@@ -30,19 +30,19 @@ void launch(const char *what)
   exit(0);
 }
 
-int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, CHAR *szParam, INT argc)
+int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpszCmdLine, INT nCmdShow)
 {
-
     char szParams[255];
-  lstrcpy(szParams, szParam);
+    lstrcpy(szParams, lpszCmdLine);
     CharUpper(szParams);
 
-  switch (argc) {
-    case 0:  /* no parameters - pop up whole "Control Panel" by default */
+    /* no parameters - pop up whole "Control Panel" by default */
+    if (!*szParams) {
 	launch("");
-             break;
+	return 0;
+    }
 
-    case 1:  /* check for optional parameter */
+    /* check for optional parameter */
     if (!strcmp(szParams,szP_DESKTOP))
 	launch(szC_DESKTOP);
     if (!strcmp(szParams,szP_COLOR))
@@ -64,9 +64,5 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, CHAR *szParam, INT argc)
 
     /* try to launch if a .cpl file is given directly */
     launch(szParams);
-             break;
-
-    default: printf("Syntax error.");
-  }
     return 0;
 }