MQL5 ReferenceStandard LibraryPanels and DialogsCWndObjOnObjectDrag OnEventTextColorColorBackgroundColorBorderFontFontSizeZOrderOnObjectCreateOnObjectChangeOnObjectDeleteOnObjectDragOnSetTextOnSetColorOnSetColorBackgroundOnSetFontOnSetFontSizeOnSetZOrderOnDestroyOnChange OnObjectDrag The virtual handler of chart object CHARTEVENT_OBJECT_DRAG event. virtual bool OnObjectDrag() Return Value true - event processed, otherwise - false. OnObjectDelete OnSetText