Mark .NET application to run as Administrator

app.manifest.xml

<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />

HasAdministratorPrivileges.cs

private static bool HasAdministratorPrivileges()
{
    WindowsIdentity id = WindowsIdentity.GetCurrent();
    WindowsPrincipal principal = new WindowsPrincipal(id);
    return principal.IsInRole(WindowsBuiltInRole.Administrator);
}