Adw.MessageDialog.format_heading

### Method

# Adw MessageDialogformat_heading

#### Declaration [src]

    void
    adw_message_dialog_format_heading (
      AdwMessageDialog* self,
      const char* format,
      ...
    )

#### Description [src]

Sets the formatted heading of `self`.

See `AdwMessageDialog:heading`.

Available since: | 1.2
This method is not directly available to language bindings.

#### Parameters

`format` | `const char*`
| The formatted string for the heading.
| The data is owned by the caller of the function.
| The value is a NUL terminated UTF-8 string.
`...` | ``
| The parameters to insert into `format`.