//Load pictures to the canvas
private void LoadPictures()
{
string[] pictureLocations = GetPictureLocations();
double angle = 0;
double step = 360 / pictureLocations.Length;
foreach (string filePath in pictureLocations)
{
try
{
Picture p = new Picture();
p.ImagePath = filePath;
p.Width = 300;
p.Angle = 180 - angle;
double angleRad = angle * Math.PI / 180.0;
p.X = Math.Sin(angleRad) * 300 + (_canvas.ActualWidth - 300) / 2.0;
p.Y = Math.Cos(angleRad) * 300 + (_canvas.ActualHeight - 300) / 2.0;
_canvas.Children.Add(p);
angle += step;
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine("Error:" + ex.Message);
}
}
}
private void BringPictureToFront(Picture picture)
{
if (picture == null)
return;
var children = (from UIElement child in _canvas.Children
where child != picture
orderby Canvas.GetZIndex(child)
select child).ToArray();
for (int i = 0; i < children.Length; ++i)
{
Canvas.SetZIndex(children[i], i);
}
Canvas.SetZIndex(picture, children.Length);
}