Checking Windows Phone platform version for new live tile functionality

gistfile1.cs

private static Version TargetedVersion = new Version(8, 0);
public static bool IsTargetedVersion { get { return Environment.OSVersion.Version >= TargetedVersion; } }

if (IsTargetedVersion)
{
    // use the new live tiles
}
else
{
    // use the old live tiles
}