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what is the mistake in my code? i used "Parallel For"

hüseyin yaşar

List points = new List();

Parallel.For(0, 15000000, i =>

{

points.Add(i);

});

this is my code. The mistake is "An exception of type 'System.ArgumentException' occurred in mscorlib.dll but was not handled in user code" Solutions?

1 Reply

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Manas Mohapatra9y ago
Looks code is ok, still you need to find the root cause. The exception that is thrown when one of the arguments provided to a method is not valid.

Use try-catch block to exact error:
List<int> points = new List<int>();

try
{
    Parallel.For(0, 15000000, i =>
    {
        points.Add(i);
    });
}
catch (ArgumentException ex)
{
    Console.WriteLine(ex);
}
catch (Exception ex)
{
    Console.WriteLine(ex);
}