public ProgressBar(int maxTicks, string message, ProgressBarOptions options = null)
: base(maxTicks, message, options)
{
_originalCursorTop = Console.CursorTop;
_originalWindowTop = Console.WindowTop;
_originalWindowHeight = Console.WindowHeight + _originalWindowTop;
_originalColor = Console.ForegroundColor;
_writeMessageToConsole = this.Options.WriteQueuedMessage ?? DefaultConsoleWrite;
if (!Console.IsOutputRedirected)
{
Console.CursorVisible = false;
}
if (this.Options.EnableTaskBarProgress)
{
TaskbarProgress.SetState(TaskbarProgress.TaskbarStates.Normal);
}
if (this.Options.DisplayTimeInRealTime)
{
_timer = new Timer((s) => OnTimerTick(), null, 500, 500);
}
else //draw once
{
_timer = new Timer((s) =>
{
_timer.Dispose();
DisplayProgress();
}, null, 0, 1000);
}
_displayProgressEvent = new AutoResetEvent(false);
_displayProgress = Task.Run(() =>
{
while (_isDisposed == 0)
{
if (!_displayProgressEvent.WaitOne(TimeSpan.FromSeconds(10)))
{
continue;
}
try
{
UpdateProgress();
}
catch
{
// don't want to crash background thread
}
}
});
}
public ProgressBar(int maxTicks, string message, ProgressBarOptions options = null)
: base(maxTicks, message, options)
{
_originalCursorTop = Console.CursorTop;
_originalWindowTop = Console.WindowTop;
_originalColor = Console.ForegroundColor;
Console.CursorVisible = false;
if (this.Options.EnableTaskBarProgress)
{
TaskbarProgress.SetState(TaskbarProgress.TaskbarStates.Normal);
}
if (this.Options.DisplayTimeInRealTime)
{
_timer = new Timer((s) => DisplayProgress(), null, 500, 500);
}
else //draw once
{
_timer = new Timer((s) =>
{
_timer.Dispose();
DisplayProgress();
}, null, 0, 1000);
}
_displayProgressEvent = new AutoResetEvent(false);
_displayProgress = Task.Run(() =>
{
while (_isDisposed == 0)
{
_displayProgressEvent.WaitOne();
try
{
UpdateProgress();
}
catch
{
// don't want to crash background thread
}
}
});
}
public void Dispose()
{
if (this.EndTime == null)
{
this.EndTime = DateTime.Now;
}
var openDescendantsPadding = (_visisbleDescendants * 2);
if (this.Options.EnableTaskBarProgress)
{
TaskbarProgress.SetState(TaskbarProgress.TaskbarStates.NoProgress);
}
try
{
var moveDown = 0;
var currentWindowTop = Console.WindowTop;
if (currentWindowTop != _originalWindowTop)
{
var x = Math.Max(0, Math.Min(2, currentWindowTop - _originalWindowTop));
moveDown = _originalCursorTop + x;
}
else
{
moveDown = _originalCursorTop + 2;
}
Console.CursorVisible = true;
Console.CursorLeft = 0;
Console.CursorTop = (openDescendantsPadding + moveDown);
}
// This is bad and I should feel bad, but i rather eat pbar exceptions in productions then causing false negatives
catch
{
}
Console.WriteLine();
_isDisposed = true;
_timer?.Dispose();
_timer = null;
foreach (var c in this.Children)
{
c.Dispose();
}
}
public void Dispose()
{
if (Interlocked.CompareExchange(ref _isDisposed, 1, 0) != 0)
{
return;
}
_timer?.Dispose();
_timer = null;
// make sure background task is stopped before we clean up
_displayProgressEvent.Set();
_displayProgress.Wait();
// update one last time - needed because background task might have
// been already in progress before Dispose was called and it might
// have been running for a very long time due to poor performance
// of System.Console
UpdateProgress();
//make sure we pop all pending messages
while (_stickyMessages.TryDequeue(out var m))
{
WriteConsoleLine(m);
}
if (this.EndTime == null)
{
this.EndTime = DateTime.Now;
}
if (this.Options.EnableTaskBarProgress)
{
TaskbarProgress.SetState(TaskbarProgress.TaskbarStates.NoProgress);
}
try
{
foreach (var c in this.Children)
{
c.Dispose();
}
}
catch
{
}
try
{
var openDescendantsPadding = (_visibleDescendants * 2);
var newCursorTop = Math.Min(_originalWindowHeight, _originalCursorTop + 2 + openDescendantsPadding);
Console.CursorVisible = true;
Console.SetCursorPosition(0, newCursorTop);
}
//This is bad and I should feel bad, but i rather eat pbar exceptions in production then causing false negatives
catch
{
}
//Console.WriteLine();
}