# Y_Size Sets the value of "Y_Size" property. ``` bool  Y_Size(    int  size      // property value    ) ``` Parameters size [in]  New vertical size property value. Return Value true - successful, false - cannot change the property. Note To get the values of "X_Size" and "Y_Size" properties, use the [X_Size](/en/docs/standardlibrary/chart_object_classes/obj_controls/cchartobjectlabel/cchartobjectlabelx_size) and [Y_Size](/en/docs/standardlibrary/chart_object_classes/obj_controls/cchartobjectlabel/cchartobjectlabely_size) methods of the parent [CChartObjectLabel](/en/docs/standardlibrary/chart_object_classes/obj_controls/cchartobjectlabel) class.