MQL5 ReferenceStandard LibraryPanels and DialogsCDialogCreateClientArea CreateOnEventCaptionAddCreateWhiteBorderCreateBackgroundCreateCaptionCreateButtonCloseCreateClientAreaOnClickCaptionOnClickButtonCloseClientAreaVisibleClientAreaLeftClientAreaTopClientAreaRightClientAreaBottomClientAreaWidthClientAreaHeightOnDialogDragStartOnDialogDragProcessOnDialogDragEnd CreateClientArea Creates dependent control (client area). virtual bool CreateClientArea() Return Value true - successful, otherwise - false. CreateButtonClose OnClickCaption