GUI demo: fixes, added VS2013 config, x64

[usb-relay-hid.git] / windows-vs / VS_GUI_demo / GUIapp.cpp

diff --git a/windows-vs/VS_GUI_demo/GUIapp.cpp b/windows-vs/VS_GUI_demo/GUIapp.cpp
index 1497ed6bd4b0f33e29fc40a4605365cf9605db20..7fa6c100df092989b17d0ccab21e53e64019428a 100644 (file)
--- a/windows-vs/VS_GUI_demo/GUIapp.cpp
+++ b/windows-vs/VS_GUI_demo/GUIapp.cpp
@@ -85,7 +85,11 @@ System::Void Form1::buttonOpen_Click(System::Object^  sender, System::EventArgs^
          // Get and show state:
       //BUGBUG g_dev is not usb_relay_device_info* in the orig library! use my new f()  ?? use only info in the list?
          struct usb_relay_device_info* di = (struct usb_relay_device_info*)g_dev;
-         int numChannels = (int)di->type;
+         int numChannels = (unsigned char)di->type;
+      if ( numChannels > MaxRelaysNum ||  numChannels == 0) {
+           // oops?
+           numChannels = MaxRelaysNum;
+      }
          g_chanNum = numChannels;
          unsigned st = 0;
          int r = usb_relay_device_get_status( g_dev, &st);