void operator+=( wxWindow& target, const pxStretchSpacer& spacer ) { if( !pxAssert( target.GetSizer() != NULL ) ) return; target.GetSizer()->AddStretchSpacer( spacer.proportion ); }
void operator+=( wxWindow& target, int spacer ) { if( !pxAssert( target.GetSizer() != NULL ) ) return; target.GetSizer()->AddSpacer( spacer ); }