private static void _OnToggleShuffleCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
e.CanExecute = true;
e.Handled = true;
}
}
}
/// <summary>
/// Executed event handler for resume command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnResumeCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
slideShow.StartTimer();
e.Handled = true;
}
}
}
/// <summary>
/// Can execute handler for resume command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnResumeCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
e.CanExecute = slideShow.Paused;
e.Handled = true;
}
}
}
private static void _OnToggleShuffleCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
// Stop the timer, change the photo, move to the next photo and restart timer
slideShow.IsShuffled = !slideShow.IsShuffled;
e.Handled = true;
}
}
}
/// <summary>
/// Can execute handler for stop command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnStopCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
// Slide show can always stop and navigate to current photo
e.CanExecute = true;
e.Handled = true;
}
}
}
/// <summary>
/// Executed event handler for previous slide command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnPreviousSlideCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
// Stop the timer, change the photo, move to the next photo and restart timer
slideShow.MovePrevious();
e.Handled = true;
}
}
}
/// <summary>
/// Can execute handler for previous slide command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnPreviousSlideCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
// Since slide show wraps around, this can always execute
e.CanExecute = true;
e.Handled = true;
}
}
}
/// <summary>
/// Executed event handler for pause command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnPauseCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow != null)
{
slideShow.StopTimer();
slideShow.ClearValue(FrameworkElement.CursorProperty);
e.Handled = true;
}
}
}
/// <summary>
/// Executed event handler for TogglePlayPause command
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">Event arguments describing the event.</param>
private static void OnPlayPauseCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (!e.Handled)
{
PhotoSlideShowControl slideShow = sender as PhotoSlideShowControl;
if (slideShow.Paused)
{
OnResumeCommandExecuted(sender, e);
}
else
{
OnPauseCommandExecuted(sender, e);
}
e.Handled = true;
}
}