GtkSource.GutterLines.add_qclass

### Method

# GtkSource GutterLinesadd_qclass

#### Declaration [src]

    void
    gtk_source_gutter_lines_add_qclass (
      GtkSourceGutterLines* lines,
      guint line,
      GQuark qname
    )

#### Description [src]

Adds the class denoted by `qname` to `line`.

You may check if a line has `qname` by calling `gtk_source_gutter_lines_has_qclass()`.

You can remove `qname` by calling `gtk_source_gutter_lines_remove_qclass()`.

#### Parameters

`line` | `guint`
| A line number starting from zero.
`qname` | `GQuark`
| A class name as a `GQuark`.