MessageDialog

Creates a new `AdapMessageDialog`.

heading and body can be set to `NULL`. This can be useful if they need to be formatted or use markup. In that case, set them to `NULL` and call [method@MessageDialog.format_body] or similar methods afterwards:

```c GtkWidget *dialog;

dialog = adap_message_dialog_new (parent, _("Replace File?"), NULL); adap_message_dialog_format_body (ADAP_MESSAGE_DIALOG (dialog), _("A file named “s” already exists. Do you want to replace it?"), filename); ```

Parameters:

parent	transient parent
heading	the heading
body	the body text

Returns:

the newly created `AdapMessageDialog`