71 lines
1.5 KiB
Markdown
71 lines
1.5 KiB
Markdown
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# LevelDescription (Get Method)
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Gets a description (text) of the level of a graphical object.
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```
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string LevelDescription(
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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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Description (text) of the specified level of a graphical object that is bound to an instance of the class. Returns NULL if there is no bound object or the object has no specified level.
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# LevelDescription (Set Method)
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Sets the description (text) of the specified graphical object level.
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```
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bool LevelDescription(
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int level , // level number
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string text // text
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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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text
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[in] New value of description (text) of the specified graphical object level.
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Return Value
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true – success, false - cannot change the description (text).
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Example:
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```
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//--- example for CChartObject::LevelDescription
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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 description of chart object
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string level_description=object.LevelDescription(i);
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if(level_description=="")
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{
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//--- set level description of chart object
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object.LevelDescription(i,"Level_"+IntegerToString(i));
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}
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}
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}
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```
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