private static void ChangeGraphicAfterSelection(TreeViewItem selectedItem)
{
var itemTag = (ItemTag)selectedItem.Tag;
if (itemTag.Selected)
{
var border = Finder.FindFirstResult <Border>(selectedItem, "SelectionBorder");
var fadeIn = new DoubleAnimationUsingKeyFrames();
fadeIn.BeginTime = TimeSpan.FromSeconds(0);
fadeIn.KeyFrames.Add(new SplineDoubleKeyFrame(1,
new TimeSpan(0, 0, 0, 0, 100)
));
var sb = new Storyboard();
Storyboard.SetTarget(fadeIn, border);
Storyboard.SetTargetProperty(fadeIn, new PropertyPath("(Opacity)"));
sb.Children.Add(fadeIn);
selectedItem.Resources.Clear();
selectedItem.Resources.Add("MyEffect", sb);
sb.Begin();
var lab = Finder.FindFirstResult <Label>(selectedItem, "label");
lab.Foreground = Brushes.Black;
if (itemTag.Color == "white")
{
itemTag.Color = "black";
var img = Finder.FindFirstResult <Image>(selectedItem, "image");
img.Source =
ItemCreator.Bitmap2BitmapSource(
(Bitmap)Resources.ResourceManager.GetObject(itemTag.MicrosoftItem + "_black"));
}
}
else
{
var border = Finder.FindFirstResult <Border>(selectedItem, "SelectionBorder");
var fadeIn = new DoubleAnimationUsingKeyFrames();
fadeIn.BeginTime = TimeSpan.FromSeconds(0);
fadeIn.KeyFrames.Add(new SplineDoubleKeyFrame(0,
new TimeSpan(0, 0, 0, 0, 200)
));
var sb = new Storyboard();
Storyboard.SetTarget(fadeIn, border);
Storyboard.SetTargetProperty(fadeIn, new PropertyPath("(Opacity)"));
sb.Children.Add(fadeIn);
selectedItem.Resources.Clear();
selectedItem.Resources.Add("MyEffect", sb);
sb.Begin();
var lab = Finder.FindFirstResult <Label>(selectedItem, "label");
lab.Foreground = Brushes.White;
if (itemTag.Color == "black")
{
itemTag.Color = "white";
var img = Finder.FindFirstResult <Image>(selectedItem, "image");
img.Source =
ItemCreator.Bitmap2BitmapSource(
(Bitmap)Resources.ResourceManager.GetObject(itemTag.MicrosoftItem + "_white"));
}
}
}
private void Window_ContentRendered(object sender, EventArgs e)
{
Finder.FindFirstResult <Img>(this, "RefreshImage").Source =
ItemCreator.Bitmap2BitmapSource(Properties.Resources.refresh);
}