public static async Task Lesson(DataServiceRestClient client)
{
//The statistics in serviceInformation are calculated periodically by the server, and are not guaranteed to be always exact.
var info = await client.GetServiceInformation();
Console.WriteLine(info.ServerName);
}
/// <summary>
/// This methods fetches the service information from both the data service and the raw data service.
/// The service information contains general information about the services like its version and the
/// servers feature set. Fetching the service information can also be used for connection check purposes
/// since it's guaranteed that the check is fast and does not cause any noticeable server load.
/// </summary>
private async Task CheckConnection()
{
// Data Service
try
{
//label18.Text = "PiWeb连接开始...";
//pictureBox5.Image = null;
var sw = System.Diagnostics.Stopwatch.StartNew();
var serviceInformatrion = await _RestDataServiceClient.GetServiceInformation();
sw.Stop();
//pictureBox5.Image = Properties.Resources.选中;
//label18.Text = "PiWeb连接成功";
connect2PiWebServer = true;
}
catch (Exception ex)
{
pictureBox1.Image = Properties.Resources.除;
label2.Text = "PiWeb连接失败";
connect2PiWebServer = false;
MessageBox.Show(ex.ToString());
}
}