MQL5 リファレンス標準ライブラリパネルとダイアログ CDialogCreateButtonClose CreateOnEventCaptionAddCreateWhiteBorderCreateBackgroundCreateCaptionCreateButtonCloseCreateClientAreaOnClickCaptionOnClickButtonCloseClientAreaVisibleClientAreaLeftClientAreaTopClientAreaRightClientAreaBottomClientAreaWidthClientAreaHeightOnDialogDragStartOnDialogDragProcessOnDialogDragEnd CreateButtonClose 종속 컨트롤을 만듭니다(닫기 버튼) virtual bool CreateButtonClose() Return Value 성공시 true, 아니면 false. CreateCaption CreateClientArea