private static ImageSource TryGetAppIcon()
{
IntPtr iconPtr = IntPtr.Zero;
try
{
var exe = Assembly.GetEntryAssembly().Location;
int r = 0;
// use direct pinvoke to work with unc paths
iconPtr = Shell32.ExtractAssociatedIcon(IntPtr.Zero, exe, ref r);
var img = Imaging.CreateBitmapSourceFromHIcon(iconPtr, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
if (img.CanFreeze)
{
img.Freeze();
}
return(img);
}
catch (Exception ex)
{
Trace.TraceError("AppIconImageConverter failed to extract icon: {0}", ex);
}
finally
{
if (iconPtr != IntPtr.Zero)
{
User32.DestroyIcon(iconPtr);
}
}
return(null);
}