async void BtnPingTest_Clicked(object sender, EventArgs e)
{
if (mBgWorker != null && mBgWorker.IsBusy == true)
{
await DisplayAlert("警告", "mBgWorker.IsBusy == true", "确定");
return;
}
if (mBgWorker == null)
{
mBgWorker = new BackgroundWorker();
mBgWorker.WorkerReportsProgress = true;
mBgWorker.DoWork += Bg_DoWork;
mBgWorker.ProgressChanged += Bg_ProgressChanged;
mBgWorker.RunWorkerCompleted += Bg_RunWorkerCompleted;
}
mContinue = true;
App.Screen.FullScreen(); // 由于输入栏有可能导致全屏设置失效, 故这里重新设置全屏
PingReplyModel toAdd = new PingReplyModel();
toAdd.Foreground = "Green";
toAdd.Content = "开始ping";
this.ViewModel.Result.Add(toAdd);
this.btnPingTest.IsEnabled = false;
this.btnPingTestStop.IsEnabled = true;
this.gPingDisplay.IsVisible = true;
mBgWorker.RunWorkerAsync(new object[] { this.txtIP.Text.Trim() });
}
private void Bg_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
this.btnPingTest.IsEnabled = true;
this.btnPingTestStop.IsEnabled = false;
this.gPingDisplay.IsVisible = false;
if (e.Error != null)
{
string msg = "{0}".FormatWith(e.Error.GetFullInfo());
System.Diagnostics.Debug.WriteLine(msg);
DisplayAlert("捕获异常", e.Error.GetFullInfo(), "确定");
}
if (e.Cancelled == true)
{
string msg = "{0}".FormatWith(e.Error.GetFullInfo());
System.Diagnostics.Debug.WriteLine(msg);
DisplayAlert("提示", "用户取消", "确定");
}
PingReplyModel toAdd = new PingReplyModel();
toAdd.Foreground = "Red";
toAdd.Content = "结束ping";
this.ViewModel.Result.Add(toAdd);
}
private void Bg_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (mReply != null)
{
PingReplyModel toAdd = new PingReplyModel();
try
{
if (mReply.Status == System.Net.NetworkInformation.IPStatus.Success)
{
toAdd.Foreground = "Transparent";
toAdd.Content = "来自 {0} 的回复: 字节={1} 时间={2}".FormatWith(mReply.Address.ToString(), mReply.Buffer.Length, mReply.RoundtripTime);
}
else
{
toAdd.Foreground = "Red";
toAdd.Content = mReply.Status.ToString();
}
}
catch (Exception ex)
{
toAdd.Foreground = "Red";
toAdd.Content = ex.GetFullInfo();
}
string msg = "{0}".FormatWith(toAdd.Content);
System.Diagnostics.Debug.WriteLine(msg);
this.ViewModel.Result.Add(toAdd);
this.lv.ScrollTo(toAdd, ScrollToPosition.Start, true);
}
}
private void Bg_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (mReply != null)
{
PingReplyModel toAdd = new PingReplyModel();
try
{
if (mReply.Status == System.Net.NetworkInformation.IPStatus.Success)
{
toAdd.Foreground = "Transparent";
toAdd.Content = "来自 {0} 的回复: 字节={1} 时间={2}".FormatWith(mReply.Address.ToString(), mReply.Buffer.Length, mReply.RoundtripTime);
}
else
{
toAdd.Foreground = "Red";
toAdd.Content = mReply.Status.ToString();
}
}
catch (Exception ex)
{
toAdd.Foreground = "Red";
toAdd.Content = ex.GetFullInfo();
}
string msg = "{0} - {1}".FormatWith(toAdd.Content, DateTime.Now.ToString());
this.txtLastStatus.Text = msg;
Grid.SetRow(this.txtLastStatus, rand.Next(colorList.Count));
this.gPingDisplay.BackgroundColor = this.colorList[rand.Next(colorList.Count)];
}
else
{
PingReplyModel toAdd = new PingReplyModel();
string msg = "Ping...";
this.txtLastStatus.Text = msg;
Grid.SetRow(this.txtLastStatus, rand.Next(colorList.Count));
this.gPingDisplay.BackgroundColor = this.colorList[rand.Next(colorList.Count)];
}
}