void ProgressSliderElement_ScrubbingStarted(object sender, ValueRoutedEventArgs e)
{
if (ViewModel != null)
{
var vm = ViewModel; // hold onto this in case the ViewModel changes because of this action. This way we can ensure we're calling the same one.
bool canceled = false;
vm.StartScrub(TimeSpan.FromSeconds(e.Value), out canceled);
if (canceled)
{
ProgressSliderElement.CancelScrub();
vm.CompleteScrub(TimeSpan.FromSeconds(e.Value), ref canceled);
}
e.Canceled = canceled;
}
}
private void InitializeProgressSlider()
{
if (ProgressSliderElement != null)
{
UnwireProgressSliderEvents();
if (ViewModel != null)
{
ProgressSliderElement.SetBinding(SeekableSlider.IsEnabledProperty, new Binding()
{
Path = new PropertyPath("IsScrubbingEnabled"), Source = ViewModel
});
ProgressSliderElement.SetBinding(SeekableSlider.ActualValueProperty, new Binding()
{
Path = new PropertyPath("Position.TotalSeconds"), Source = ViewModel
});
ProgressSliderElement.SetBinding(SeekableSlider.MinimumProperty, new Binding()
{
Path = new PropertyPath("StartTime.TotalSeconds"), Source = ViewModel
});
ProgressSliderElement.SetBinding(SeekableSlider.MaximumProperty, new Binding()
{
Path = new PropertyPath("EndTime.TotalSeconds"), Source = ViewModel
});
ProgressSliderElement.SetBinding(SeekableSlider.MaxValueProperty, new Binding()
{
Path = new PropertyPath("MaxPosition.TotalSeconds"), Source = ViewModel
});
}
else
{
ProgressSliderElement.ClearValue(SeekableSlider.IsEnabledProperty);
ProgressSliderElement.ClearValue(SeekableSlider.ActualValueProperty);
ProgressSliderElement.ClearValue(SeekableSlider.MinimumProperty);
ProgressSliderElement.ClearValue(SeekableSlider.MaximumProperty);
ProgressSliderElement.ClearValue(SeekableSlider.MaxValueProperty);
}
WireProgressSliderEvents();
}
}
