LevelValue (Get Method)

Gets the value of the specified level of a graphical object.

double  LevelValue(
   int  level      // level number
   ) const

Parameters

level

[in] Number of a graphical object level.

Return Value

The value of the specified level of a graphical object that is bound to an instance of the class. If there is no bound object or the object has no level specified, returns EMPTY_VALUE.

LevelValue (Set Method)

Sets the value of the specified level of the graphical object.

bool  LevelValue(
   int     level,         // level number
   double  new_value      // new value
   )

Parameters

level

[in] Number of a graphical object level.

new_value

[in] New value of the specified level of a graphical object.

Return Value

true - successful, false - cannot change the value.

Example:

//--- example for CChartObject::LevelValue
#include <ChartObjects\ChartObject.mqh>
//---
void OnStart()
  {
   CChartObject object;
   //---
   for(int i=0;i<object.LevelsCount();i++)
     {
      //--- get level value of chart object
      double level_value=object.LevelValue(i);
      if(level_value!=0.1*i)
        {
         //--- set level value of chart object
         object.LevelValue(i,0.1*i);
        }
     }
  }