[DllImport("uxtheme.dll", SetLastError = true)]
public static extern IntPtr OpenThemeFile(
[MarshalAs(UnmanagedType.LPWStr)] string pszThemeFile,
[MarshalAs(UnmanagedType.LPWStr)] string pszColorScheme,
[MarshalAs(UnmanagedType.LPWStr)] string pszSizeName
);