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