public static bool VistaMappingsNeedSaving()
{
// Check whether the current boot mappings and the proposed boot mappings
// are the same: if not, they need saving
byte[] map = RegistryProvider.GetScancodeMapFromRegistry(MapLocation.KeyMapperVistaMappingsCache);
if (map == null)
{
return(false);
}
Collection <KeyMapping> maps = GetMappingsFromScancodeMap(map);
if (maps.Count != mappings.Count)
{
return(true);
}
foreach (KeyMapping km in maps)
{
if (mappings.Contains(km) == false)
{
return(true);
}
}
return(false);
}
private static void GetMappingsFromRegistry(MapLocation location)
{
var mappings = new Collection <KeyMapping>();
byte[] map = RegistryProvider.GetScancodeMapFromRegistry(location);
if (map != null)
{
mappings = GetMappingsFromScancodeMap(map);
}
switch (location)
{
case MapLocation.LocalMachineKeyboardLayout:
MappingsManager.mappings = mappings;
break;
case MapLocation.KeyMapperLocalMachineKeyboardLayout:
savedBootMappings = mappings;
break;
default:
throw new InvalidOperationException("Unknown value for MapLocation: " + location);
}
}
private static void GetMappingsFromRegistry(MapLocation location)
{
var mappings = new Collection <KeyMapping>();
MappingType type = MappingType.Null;
switch (location)
{
case MapLocation.LocalMachineKeyboardLayout:
case MapLocation.KeyMapperLocalMachineKeyboardLayout:
type = MappingType.Boot;
break;
case MapLocation.CurrentUserKeyboardLayout:
case MapLocation.KeyMapperCurrentUserKeyboardLayout:
type = MappingType.User;
break;
}
byte[] map = RegistryProvider.GetScancodeMapFromRegistry(location);
if (map != null)
{
mappings = GetMappingsFromScancodeMap(map, type);
}
switch (location)
{
case MapLocation.LocalMachineKeyboardLayout:
_bootMappings = mappings;
break;
case MapLocation.CurrentUserKeyboardLayout:
_userMappings = mappings;
break;
case MapLocation.KeyMapperLocalMachineKeyboardLayout:
_savedBootMappings = mappings;
break;
case MapLocation.KeyMapperCurrentUserKeyboardLayout:
_savedUserMappings = mappings;
break;
default:
break;
}
}