void OnCompositionTargetRendering(object sender, object args)
{
// Get the time once
DateTime utc = DateTime.UtcNow;
foreach (UIElement child in uniformGrid.Children)
{
TimeZoneClockViewModel viewModel =
(child as FrameworkElement).DataContext as TimeZoneClockViewModel;
string timeZoneKey = viewModel.TimeZoneKey;
// Set the local time from the TimeZoneManager
viewModel.DateTime = timeZoneManager.GetLocalTime(timeZoneKey, utc);
}
}
void OnApplicationSuspending(object sender, SuspendingEventArgs args)
{
appSettings.Clear();
for (int index = 0; index < uniformGrid.Children.Count; index++)
{
TimeZoneClock timeZoneClock = uniformGrid.Children[index] as TimeZoneClock;
TimeZoneClockViewModel viewModel =
timeZoneClock.DataContext as TimeZoneClockViewModel;
string preface = index.ToString();
appSettings[preface + "Location"] = viewModel.Location;
appSettings[preface + "TimeZoneKey"] = viewModel.TimeZoneKey;
appSettings[preface + "Foreground"] = viewModel.ForegroundName;
appSettings[preface + "Background"] = viewModel.BackgroundName;
}
}
async void OnDeleteMenuItem(IUICommand command)
{
TimeZoneClock timeZoneClock = command.Id as TimeZoneClock;
TimeZoneClockViewModel viewModel = timeZoneClock.DataContext as TimeZoneClockViewModel;
MessageDialog msgdlg = new MessageDialog("Delete clock from collection?",
viewModel.Location);
msgdlg.Commands.Add(new UICommand("OK"));
msgdlg.Commands.Add(new UICommand("Cancel"));
msgdlg.DefaultCommandIndex = 0;
msgdlg.CancelCommandIndex = 1;
IUICommand msgDlgCommand = await msgdlg.ShowAsync();
if (msgDlgCommand.Label == "OK")
{
uniformGrid.Children.Remove(command.Id as TimeZoneClock);
}
}