private async Task DoDisconnect()
{
btnConnect.Enabled = false;
if (supervisorClient != null)
{
await supervisorClient?.StopAsync();
supervisorClient = null;
}
labStatus.Text = string.Empty;
txtAppName.ReadOnly = false;
txtServerAddress.ReadOnly = false;
btnConnect.Enabled = true;
btnSystemInfo.Enabled = false;
btnScreenshot.Enabled = false;
btnConnect.Text = "Connect";
btnConnect.ImageKey = "start.png";
}
private async Task DoConnect()
{
await DoDisconnect();
btnConnect.Enabled = false;
var appName = txtAppName.Text.Trim().Replace(" ", "");
supervisorClient = new MqttSupervisorClient(appName, txtServerAddress.Text);
supervisorClient.OnLog = HandleLog;
supervisorClient.OnException = HandleException;
supervisorClient.OnControlResponse = HandleControlResponse;
try
{
await supervisorClient.StartAsync();
labStatus.Text = $"Supervising";
appSettings.AppName = txtAppName.Text;
appSettings.ServerAddress = txtServerAddress.Text;
txtAppName.ReadOnly = true;
txtServerAddress.ReadOnly = true;
btnSystemInfo.Enabled = true;
btnScreenshot.Enabled = true;
btnConnect.Text = "Disconnect";
btnConnect.ImageKey = "stop.png";
messageDisplayer.Clear();
}
catch (Exception ex)
{
await DoDisconnect();
labStatus.Text = $"Error: {ex.Message}";
}
finally
{
btnConnect.Enabled = true;
}
}
