71 lines
1.5 KiB
Markdown
71 lines
1.5 KiB
Markdown
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# LevelValue (Get Method)
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Gets the value of the specified level of a graphical object.
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```
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double LevelValue(
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int level // level number
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) const
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```
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Parameters
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level
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[in] Number of a graphical object level.
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Return Value
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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](/en/docs/constants/namedconstants/otherconstants).
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# LevelValue (Set Method)
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Sets the value of the specified level of the graphical object.
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```
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bool LevelValue(
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int level, // level number
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double new_value // new value
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)
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```
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Parameters
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level
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[in] Number of a graphical object level.
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new_value
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[in] New value of the specified level of a graphical object.
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Return Value
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true - successful, false - cannot change the value.
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Example:
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```
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//--- example for CChartObject::LevelValue
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#include <ChartObjects\ChartObject.mqh>
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//---
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void OnStart()
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{
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CChartObject object;
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//---
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for(int i=0;i<object.LevelsCount();i++)
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{
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//--- get level value of chart object
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double level_value=object.LevelValue(i);
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if(level_value!=0.1*i)
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{
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//--- set level value of chart object
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object.LevelValue(i,0.1*i);
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}
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}
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}
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```
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