///
/// Returns whether the layout should retain the widget's size when it is hidden.
/// This is `false` by default.
///
/// **See also:** [`set_retain_size_when_hidden()`]
Returns whether the layout should retain the widget's size when it is hidden.
This is `false` by default.


Returns whether the layout should retain the widget ' s size when it is hidden . This is ` false ` by default .
pub fn retain_size_when_hidden(&self) -> bool {
        let (obj_data, funcs) = self.get_size_policy_obj_funcs();
        unsafe {
            let ret_val = ((*funcs).retain_size_when_hidden)(obj_data);
            ret_val
        }
    }
pub fn retain_size_when_hidden ( & self ) -> bool { let ( obj_data , funcs ) = self . get_size_policy_obj_funcs ( ) ; unsafe { let ret_val = ( ( * funcs ) . retain_size_when_hidden ) ( obj_data ) ; ret_val } }
Returns whether the layout should retain the widget's size when it is hidden.
Returns whether the layout should retain the widget ' s size when it is hidden .
&self