## IUserAgentService class

An interface that is described a user agent environment.



The IUserAgentService type exposes the following members:

### Properties
| Property | Description |
| :- | :- |
| [language](/html/python-net/aspose.html.services/iuseragentservice/language) | The [`IUserAgentService.language`](/html/python-net/aspose.html.services/iuseragentservice#language) specifies the primary language for the element's contents and for any of the element's attributes that contain text. 
<br/>Its value must be a valid BCP 47 () language tag, or the empty string. Setting the attribute to the empty string indicates that the primary language is unknown. |
| [user_style_sheet](/html/python-net/aspose.html.services/iuseragentservice/user_style_sheet) | Allows to specify style information for a particular document |
| [char_set](/html/python-net/aspose.html.services/iuseragentservice/char_set) | Gets or sets the primary character-set for a document. |
| [css_engine_mode](/html/python-net/aspose.html.services/iuseragentservice/css_engine_mode) | Gets or sets mode in which CSS engine works. |
| [fonts_settings](/html/python-net/aspose.html.services/iuseragentservice/fonts_settings) | Gets a [`FontsSettings`](/html/python-net/aspose.html/fontssettings) object which is used for configuration of fonts handling. |
| [show_image_placeholders](/html/python-net/aspose.html.services/iuseragentservice/show_image_placeholders) | Images can have fallback content: content that should be used when an external resource cannot be used (for example, because it is in an unsupported format). The property [`IUserAgentService.show_image_placeholders`](/html/python-net/aspose.html.services/iuseragentservice#show_image_placeholders) specifies whether to display the fallback image (default is true) |



### See Also
* module [`aspose.html.services`](..)
* class [`FontsSettings`](/html/python-net/aspose.html/fontssettings)