gtk/gtk.go
func (v *Entry) GetPlaceholderText() (string, error) {
	c := C.gtk_entry_get_placeholder_text(v.native())
	if c == nil {
		return "", nilPtrErr
	}
	return goString(c), nil
}
func (v *Entry) GetPlaceholderText() (string, error) {
	c := C.gtk_entry_get_placeholder_text(v.native())
	if c == nil {
		return "", nilPtrErr
	}
	return goString(c), nil
}
// GetPlaceholderText() is a wrapper around gtk_entry_get_placeholder_text().