/// <inheritdoc />
public string[] GetReaderGroups()
{
ThrowOnInvalidContext();
var sc = _api.ListReaderGroups(
_contextPtr,
out var groups);
switch (sc)
{
case SCardError.Success:
return(groups);
case SCardError.InvalidHandle:
throw new InvalidContextException(sc, "Invalid Scope Handle");
case SCardError.NoReadersAvailable:
return(new string[0]); // Service running, no reader connected
default:
sc.Throw();
return(null);
}
}
