private void OnTailButtonClick(object sender, RoutedEventArgs e)
{
if (btnTail.Content.ToString() == TailCommand)
{
if (string.IsNullOrEmpty(tbFileName.Text))
{
MessageBox.Show(this, "Please specify a file for tailing.", this.Title,
MessageBoxButton.OK, MessageBoxImage.Information, MessageBoxResult.OK);
return;
}
btnTail.Content = CancelCommand;
tbFileName.IsEnabled = false;
btnOpenFile.IsEnabled = false;
tbFileData.Document.Blocks.Clear();
try
{
string[] args = new string[] {
@"-F",
tbFileName.Text
};
tail = new TailCommandLine(args);
tail.CommandLineException += new EventHandler <CommandLineExceptionEventArgs>(OnCommandLineException);
tail.CommandLineDataChanged += new EventHandler <CommandLineDataChangedEventArgs>(OnCommandLineDataChanged);
ThreadPool.QueueUserWorkItem((WaitCallback)TailExecuter, tail);
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, this.Title,
MessageBoxButton.OK, MessageBoxImage.Error, MessageBoxResult.OK);
}
}
else
{
btnTail.Content = TailCommand;
tbFileName.IsEnabled = true;
btnOpenFile.IsEnabled = true;
try
{
if (tail != null)
{
tail.CommandLineException -= new EventHandler <CommandLineExceptionEventArgs>(OnCommandLineException);
tail.CommandLineDataChanged -= new EventHandler <CommandLineDataChangedEventArgs>(OnCommandLineDataChanged);
tail.Terminate();
tail.Dispose();
tail = null;
}
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, this.Title,
MessageBoxButton.OK, MessageBoxImage.Error, MessageBoxResult.OK);
}
}
}
private void TailExecuter(object state)
{
TailCommandLine tcl = (TailCommandLine)state;
tcl.Execute();
while (tail != null && tail.IsExecuting)
{
;
}
}
