public async void Refresh()
{
if (_isBusy)
{
return;
}
lock (LockObject)
{
if (_isBusy)
{
return;
}
_isBusy = true;
}
_refreshTimer.IsEnabled = false;
Task <DatabaseSessions> task = null;
var exception = await App.SafeActionAsync(() => task = _databaseMonitor.GetAllSessionDataAsync(CancellationToken.None));
_isBusy = false;
if (exception != null)
{
Messages.ShowError(exception.Message, owner: this);
return;
}
_refreshTimer.IsEnabled = true;
var sessions = task.Result;
if (!AreColumnHeadersEqual(sessions.ColumnHeaders))
{
SessionDataGrid.Columns.Clear();
foreach (var columnHeader in sessions.ColumnHeaders)
{
var column =
new DataGridTextColumn
{
Binding = new Binding($"{nameof(DatabaseSession.Values)}[{columnHeader.ColumnIndex}]")
{
Converter = columnHeader.CustomConverter ?? CellValueConverter.Instance
},
EditingElementStyle = (Style)Application.Current.Resources["CellTextBoxStyleReadOnly"]
};
DataGridHelper.ApplyColumnStyle(column, columnHeader);
SessionDataGrid.Columns.Add(column);
}
}
lock (_databaseSessions)
{
MergeRecords(_databaseSessions, sessions.Rows, r => r.Id, MergeSessionRecordData);
}
}
