private void HandleDataProgressEvent(object sender, DataProviderEventArgs e)
{
Mouse.OverrideCursor = Cursors.Wait;
if (TaskbarManager.IsPlatformSupported)
{
taskbarManager.SetProgressState(TaskbarProgressBarState.Normal);
taskbarManager.SetProgressValue(e.Result, 100);
}
MainView.ProgressBar.Minimum = 0;
MainView.ProgressBar.Maximum = 100;
MainView.ProgressBar.Value = e.Result;
MainView.Status.Text = e.Message;
ShowProgressTime(e.Time);
Trace.WriteLine("MainWindow received this message: " + e.Message);
}
protected virtual void OnRaiseDataProgressEvent(DataProviderEventArgs e)
{
// Make a temporary copy of the event to avoid possibility of
// a race condition if the last subscriber unsubscribes
// immediately after the null check and before the event is raised.
EventHandler<DataProviderEventArgs> handler = null;
lock (this)
{
handler = RaiseDataProgressEvent;
}
// Event will be null if there are no subscribers
if (handler != null)
{
foreach (EventHandler<DataProviderEventArgs> _handler in handler.GetInvocationList())
{
try
{
System.Windows.Application.Current.Dispatcher.Invoke(_handler,new object[]{this, e});
}
catch (Exception ex)
{
Debug.WriteLine("Error in the handler {0}: {1}", handler.Method.Name, ex.Message);
}
}
}
}
private void HandleDataLoadedEvent(object sender, DataProviderEventArgs e)
{
pageViewModel.DataProvider.RaiseDataProgressEvent -= HandleDataProgressEvent;
pageViewModel.DataProvider.RaiseDataLoadedEvent -= HandleDataLoadedEvent;
if (TaskbarManager.IsPlatformSupported)
taskbarManager.SetProgressState(TaskbarProgressBarState.NoProgress);
MainView.ProgressBar.Value = 0;
MainView.Status.Text = "Ready";
MainView.Time.Text = "00:00:00";
Mouse.OverrideCursor = null;
MainView.PageViews.IsEnabled = true;
Trace.WriteLine("MainWindow received this message: " + e.Message);
}