private async Task <IClient> getClient()
{
var serverName = textServerName.Text;
var port = int.Parse(textPort.Text);
var userName = textUserName.Text;
var password = textPassword.Text.Sha256();
var info = new ClientInfo {
ServerName = serverName,
Port = port,
UserName = userName,
Password = password,
};
var client = await _myClient.GetInstance(info);
return(client);
}