private void ClosePositions(object sender, RoutedEventArgs e)
{
if (isClosingPositions)
{
return;
}
try {
isClosingPositions = true;
fw.ClosePositions();
} catch (Exception exc) {
Dispatcher.BeginInvoke(new Action(() => MessageBox.Show(exc.Message)));
return;
} finally {
isClosingPositions = false;
}
}