Fix NullPointerException on Windows 8.

This commit is contained in:
Jacob Hauberg Hansen 2013-01-26 14:27:26 +01:00
parent d1713ff47a
commit af74d97903

View file

@ -108,7 +108,7 @@ namespace OpenTK.Platform.Windows
string deviceClassGUID = (string)regkey.GetValue("ClassGUID"); // for windows 8 support via OpenTK issue 3198
// making a guess at backwards compatability. Not sure what older windows returns in these cases...
if(deviceClass != null || deviceClass.Equals(string.Empty)){
if(deviceClass == null || deviceClass.Equals(string.Empty)){
RegistryKey classGUIDKey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Control\Class\" + deviceClassGUID);
deviceClass = classGUIDKey != null ? (string) classGUIDKey.GetValue("Class") : string.Empty;
}