public ProgressRateSampleControl()
{
InitializeComponent();
var dataContext = new ProgressRateSampleControlViewModel();
// Open a progress window whenever a task is executed.
dataContext.TaskStarted += (sender, e) =>
{
var task = e.Item1;
var cancellationTokenSource = e.Item2;
var progress = e.Item3;
var owner = Window.GetWindow(this);
var progressWindow =
new ProgressWindowContext()
{
Task = task,
CancellationTokenSource = cancellationTokenSource,
Owner = owner,
Title = "ProgressRate Sample",
Content = "Wait 5 seconds...",
};
progressWindow.ProgressRate = 0.0;
progress.ProgressChanged += (_, rate) =>
{
progressWindow.ProgressRate = rate;
};
progressWindow.ShowDialog();
};
DataContext = dataContext;
}
void runButton_Click(object sender, RoutedEventArgs e)
{
// Create and start a new task which just suspends 5 seconds.
var task = RunAsync();
var progressWindow =
new ProgressWindowContext()
{
Owner = Window.GetWindow(this),
Task = task,
};
progressWindow.ShowDialog();
}