MQL5 ReferenceStandard LibraryPanels and DialogsCDialogClientAreaVisible CreateOnEventCaptionAddCreateWhiteBorderCreateBackgroundCreateCaptionCreateButtonCloseCreateClientAreaOnClickCaptionOnClickButtonCloseClientAreaVisibleClientAreaLeftClientAreaTopClientAreaRightClientAreaBottomClientAreaWidthClientAreaHeightOnDialogDragStartOnDialogDragProcessOnDialogDragEnd ClientAreaVisible Sets a flag indicating whether the client area is visible. bool ClientAreaVisible( const bool visible // visibility flag ) Parameters visible [in] Visibility flag. Return Value true - successful, otherwise - false. OnClickButtonClose ClientAreaLeft