[GridCategory("Parameters")]
[TypeConverter(typeof(FileNameList))]
public string TradeFiles
{get;set;}
It load but the error is
Failed to get property 'TradeFiles' for indicator 'myindicator': Object reference not set to an instance of an object.
the issue is the dropdownlist is initially blank when i select the name in in the dropdownlist and press apply it will then work.
all i want to do is choose the first item in my dropdown list upon initialization
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