private async void ComboBoxResolution_TextSubmitted(ComboBox sender, ComboBoxTextSubmittedEventArgs args)
{
await RunOnUIThreadAndWaitAsync(CoreDispatcherPriority.High, () =>
{
if (int.TryParse(args.Text, out int intValue))
{
// entered pure number, try to apply it
ScanResolution resolution = ViewModel.ScannerResolutions.FirstOrDefault((x) => x.Resolution.DpiX == intValue);
if (resolution != null)
{
// found corresponding resolution
ViewModel.SelectedResolution = resolution;
}
else
{
// no resolution for number, find the closest available one
resolution = ViewModel.ScannerResolutions.Aggregate((x, y) => Math.Abs(x.Resolution.DpiX - intValue) < Math.Abs(y.Resolution.DpiX - intValue) ? x : y);
ViewModel.SelectedResolution = resolution;
}
}
else
{
sender.SelectedItem = ViewModel.SelectedResolution;
args.Handled = true;
}
});
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (!(value is ScanResolution))
{
return(DependencyProperty.UnsetValue);
}
ScanResolution resolution = (ScanResolution)value;
return(string.Format("{0} × {1}", resolution.Width, resolution.Height));
}
