GtkSource.Buffer.iter_backward_to_context_class_toggle

### Method

# GtkSource Bufferiter_backward_to_context_class_toggle

#### Declaration [src]

    gboolean
    gtk_source_buffer_iter_backward_to_context_class_toggle (
      GtkSourceBuffer* buffer,
      GtkTextIter* iter,
      const gchar* context_class
    )

#### Description [src]

Moves backward to the next toggle (on or off) of the context class.

If no matching context class toggles are found, returns `FALSE`, otherwise `TRUE`. Does not return toggles located at `iter`, only toggles after `iter`. Sets `iter` to the location of the toggle, or to the end of the buffer if no toggle is found.

See the `GtkSourceBuffer` description for the list of default context classes.

#### Parameters

`iter` | `GtkTextIter`
| A `GtkTextIter`.
| The argument will be modified by the function.
| The instance takes ownership of the data, and is responsible for freeing it.
`context_class` | `const gchar*`
| The context class.
| The data is owned by the caller of the function.
| The value is a NUL terminated UTF-8 string.

#### Return value

Returns: | `gboolean`
| Whether we found a context class toggle before `iter`.