MQL5 ReferenceStandard LibraryPanels and DialogsCEditOnChange CreateReadOnlyTextAlignOnObjectEndEditOnSetTextOnSetColorOnSetColorBackgroundOnSetColorBorderOnSetFontOnSetFontSizeOnSetZOrderOnCreateOnShowOnHideOnMoveOnResizeOnChangeOnClick OnChange The virtual handler of control "Change" internal event. virtual bool OnChange() Return Value true - event processed, otherwise - false. OnResize OnClick