# CChartObjectTrend CChartObjectTrend is a class for simplified access to "Trend Line" graphical object properties. ### Description CChartObjectTrend class provides access to "Trend Line" object properties. ### Declaration ```    class CChartObjectTrend : public CChartObject ``` ### Title ```    #include  ``` ``` Inheritance hierarchy   CObject       CChartObject           CChartObjectTrend Direct descendants CChartObjectChannel, CChartObjectFibo, CChartObjectFiboChannel, CChartObjectFiboExpansion, CChartObjectGannFan, CChartObjectGannGrid, CChartObjectPitchfork, CChartObjectRegression, CChartObjectStdDevChannel, CChartObjectTrendByAngle ``` ### Class Methods by Groups | Create | | | --- | --- | | Create | Creates "Trend Line" graphical object | | Properties | | | RayLeft | Gets/sets "Ray Left" property | | RayRight | Gets/sets "Ray Right" property | | Input/output | | | virtual Save | Virtual method for writing to file | | virtual Load | Virtual method for reading from file | | virtual Type | Virtual method of identification | | Methods inherited from class CObject Prev, Prev, Next, Next, Compare | | --- | | Methods inherited from class CChartObject ChartId , Window , Name , Name , NumPoints , Attach , SetPoint , Delete , Detach , Time , Time , Price , Price , Color , Color , Style , Style , Width , Width , Background , Background , Fill, Fill, Z_Order , Z_Order , Selected , Selected , Selectable , Selectable , Description , Description , Tooltip , Tooltip , Timeframes , Timeframes , CreateTime , LevelsCount , LevelsCount , LevelColor , LevelColor , LevelStyle , LevelStyle , LevelWidth , LevelWidth , LevelValue , LevelValue , LevelDescription , LevelDescription , GetInteger , GetInteger , SetInteger , SetInteger , GetDouble , GetDouble , SetDouble , SetDouble , GetString , GetString , SetString , SetString , ShiftObject , ShiftPoint | See also [Object types](/en/docs/constants/objectconstants/enum_object), [Graphic objects](/en/docs/objects)