private void ChartWindow_Closed(object sender, EventArgs e)
{
this.Dispatcher.Invoke(DispatcherPriority.Background, (ThreadStart) delegate
{
chartWindow = null;
});
}
private void OpenChartHistory()
{
this.Dispatcher.Invoke(DispatcherPriority.Background, (ThreadStart) delegate
{
if (chartWindow == null)
{
chartWindow = new ChartLendingWindow(selectedCurrency);
chartWindow.Owner = MainWindow;
chartWindow.WindowStartupLocation = WindowStartupLocation.CenterOwner;
chartWindow.Width = MainWindow.Width / 1.2;
chartWindow.Height = MainWindow.Height / 1.2;
chartWindow.Show();
chartWindow.Closed += ChartWindow_Closed;
}
});
}