private void StartAnimateBGImages()
{
DoubleAnimation animation;
animation = new DoubleAnimation();
animation.To = 0.9;
animation.From = 1;
animation.Duration = new Duration(TimeSpan.FromSeconds(5));
animation.AutoReverse = false;
animation.Completed += Animation_Completed;
MainMenuBGImage.BeginAnimation(ImageBrush.OpacityProperty, animation);
}
private void Animation_Completed(object sender, EventArgs e)
{
// fade out the image and fade in the new one
DoubleAnimation animation;
animation = new DoubleAnimation();
animation.To = 0;
animation.From = 0.9;
animation.Duration = new Duration(TimeSpan.FromSeconds(1));
animation.AutoReverse = false;
animation.Completed += ShowNextBGImage;
MainMenuBGImage.BeginAnimation(ImageBrush.OpacityProperty, animation);
}
private void ShowNextBGImage(object sender, EventArgs e)
{
if (_swapImage)
{
MainMenuBGImage.ImageSource = new BitmapImage(new Uri(Path.Combine("file:///", Directory.GetCurrentDirectory(), @"Assets\mainmenu_bg.png")));
_swapImage = false;
}
else
{
_swapImage = true;
MainMenuBGImage.ImageSource = new BitmapImage(new Uri(Path.Combine("file:///", Directory.GetCurrentDirectory(), @"Assets\mainmenu_bg2.png")));
}
// fade out the image and fade in the new one
DoubleAnimation animation;
animation = new DoubleAnimation();
animation.To = 1;
animation.From = 0;
animation.Duration = new Duration(TimeSpan.FromSeconds(1));
animation.AutoReverse = false;
animation.Completed += ResetAnimation;
MainMenuBGImage.BeginAnimation(ImageBrush.OpacityProperty, animation);
}