C# 如何获取系统字体

StringBuilder str = new StringBuilder(2000);
  InstalledFontCollection fonts = new InstalledFontCollection();
  foreach (FontFamily family in fonts.Families)
  {
    str.Append(family.Name);
    str.AppendLine();
  }
  ContentTextBlock.Text = str.ToString();

StringBuilder str = new StringBuilder(2000);
  CultureInfo currentCulture = CultureInfo.CurrentUICulture;
  CultureInfo enUsCultureInfo = new CultureInfo("en-US");
  foreach (var family in Fonts.SystemFontFamilies)
  {
    foreach (var keyPair in family.FamilyNames)
    {
      var specificCulture = keyPair.Key.GetSpecificCulture();
      if (specificCulture.Equals(currentCulture) || specificCulture.Equals(enUsCultureInfo))
      {
        if (keyPair.Key != null && !string.IsNullOrEmpty(keyPair.Value))
        {
          str.Append(keyPair.Value);
          str.AppendLine();
        }
      }
    }
  }
  ContentTextBlock.Text = str.ToString();