public void AddTrace(TraceEvent evt)
{
if (evt == null || evt.ProcessName == null)
{
return;
}
if (App.Current.Settings.ExcludeLine(evt.Text, evt.ProcessName))
{
return;
}
var last = _dataSource.LastOrDefault();
evt.PreviousTicks = last != null ? last.Ticks : evt.Ticks;
_dataSource.Add(evt);
if (_state.AutoScroll)
{
// only ask to scroll if nothing is scrolling
_scrollTo = evt;
if (Interlocked.CompareExchange(ref _scrollingTo, 1, 0) == 0)
{
Dispatcher.BeginInvoke(() =>
{
var st = _scrollTo;
if (st != null)
{
LV.ScrollIntoView(st);
}
Interlocked.Exchange(ref _scrollingTo, 0);
}, DispatcherPriority.SystemIdle);
}
}
}
private void DoFind(bool next)
{
if (_findWindow == null)
{
return;
}
var search = _findWindow.Searches.Text;
if (string.IsNullOrWhiteSpace(search))
{
return;
}
var focused = FocusManager.GetFocusedElement(_findWindow) is System.Windows.Controls.TextBox;
int start = Math.Max(0, LV.SelectedIndex);
var sc = _findWindow.CaseMatch ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase;
foreach (int i in EnumerateItems(start, next))
{
var evt = (TraceEvent)LV.Items[i];
if (evt.Text == null)
{
continue;
}
if (evt.Text.IndexOf(search, sc) > 0)
{
LV.SelectedItem = evt;
((System.Windows.Controls.ListViewItem)LV.ItemContainerGenerator.ContainerFromItem(evt))?.Focus();
LV.ScrollIntoView(evt);
if (focused)
{
if (next)
{
_findWindow.FindNext.Focus();
}
else
{
_findWindow.FindPrev.Focus();
}
}
_findWindow.Searches.SelectedItem = search;
return;
}
}
_findWindow.ShowMessage("Cannot find '" + search + "'.", MessageBoxImage.Information);
}