private async System.Threading.Tasks.Task downloadAsync(SftpFile file, string destFile)
{
var connectionInfo = new ConnectionInfo(txtIp.Text, int.Parse(txtPort.Text), txtUser.Text, new PasswordAuthenticationMethod(txtUser.Text, txtPassword.Text));
using (var client = new SftpClient(connectionInfo))
{
try
{
client.Connect();
if (file.IsRegularFile)
{
using (var saveFile = File.OpenWrite(destFile))
{
double max = (double)file.Length;
this.progressBar1.Maximum = 100;
this.progressBar1.Show();
await client.DownloadAsync(file.FullName, saveFile, new Action <ulong>((o) =>
{
this.Invoke(new Action(() =>
{
this.progressBar1.Value = (int)(((double)o / max) * 100);
if ((double)o == max)
{
MessageBox.Show("下载完成!");
this.progressBar1.Hide();
}
}));
}));
}
}
else
{
MessageBox.Show("只允许下载单个文件！");
}
}
catch (Exception ex)
{
MessageBox.Show("下载失败" + ex.Message);
}
}
}
