MQL5 ReferenceStandard LibraryPanels and DialogsCPanelOnSetColorBorder CreateBorderTypeOnSetTextOnSetColorBackgroundOnSetColorBorderOnCreateOnShowOnHideOnMoveOnResizeOnChange OnSetColorBorder The virtual handler of control "SetColorBorder" (change of the OBJPROP_BORDER_COLOR property) event. virtual bool OnSetColorBackground() Return Value true - event processed, otherwise - false. OnSetColorBackground OnCreate