public void GetThemeStreamTest()
{
Application.EnableVisualStyles();
using (var h = OpenThemeData(HWND.NULL, "DWMWINDOW"))
{
Assert.That(h.IsInvalid, Is.False);
using (var hInstance = Kernel32.LoadLibraryEx(@"C:\Windows\resources\themes\Aero\Aero.msstyles", Kernel32.LoadLibraryExFlags.LOAD_LIBRARY_AS_DATAFILE))
{
var hr = UxTheme.GetThemeStream(h, 0, 0, 213, out var themeStream, out var streamSize, hInstance);
Assert.That(hr.Succeeded);
Assert.That(streamSize, Is.GreaterThan(0));
Assert.That(() => themeStream.ToArray <byte>((int)streamSize), Throws.Nothing);
}
}
}
