set_resolution
Description:
Sets the values of gtk_print_settings_resolution, gtk_print_settings_resolution_x and gtk_print_settings_resolution_y.
Parameters:
| this | |
| resolution | 
           the resolution in dpi  | 
      
Sets the values of gtk_print_settings_resolution, gtk_print_settings_resolution_x and gtk_print_settings_resolution_y.
| this | |
| resolution | 
           the resolution in dpi  |