gtk/text_view.go
func (v *TextView) GetBuffer() (*TextBuffer, error) {
	c := C.gtk_text_view_get_buffer(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapTextBuffer(glib.Take(unsafe.Pointer(c))), nil
}
func (v *TextView) GetBuffer() (*TextBuffer, error) {
	c := C.gtk_text_view_get_buffer(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapTextBuffer(glib.Take(unsafe.Pointer(c))), nil
}
// GetBuffer is a wrapper around gtk_text_view_get_buffer().