C# get dictionary value from TracePoints while debugging

Question

What is the proper syntax to obtain a dictionary key value pair when using trace points?

With a property like the following

public Dictionary<string, decimal> SomeDictionary { get; set; }

I am trying to set a break point with actions on the setter method to trace all incoming values. I've tried the following but none of them work.

{value}        'this gives me a count of how many items are in the dictionary

{value.Value}  'throws an exception, 'Value' doesn't exist

{value[Value]} 'the name 'Value' does not exist in the current context

Did you mean to tag something else like javascript? This is (obviously) not c# syntax, not only would it not return anything it would never even compile. — Igor
– Igor, Commented Mar 10, 2017 at 17:43
yes this is referring to TracePoints while debugging. apologies for confusion, added more tags and picture — Xss
– Xss, Commented Mar 10, 2017 at 17:46

chadnt · Accepted Answer · 2017-03-10 18:10:59Z

1

Based on your SomeDictionary:

        public class Example
        {
            public Dictionary<string, decimal> SomeDictionary { get; set; }

            public Example()
            {
                SomeDictionary = new Dictionary<string, decimal>();
                string key = "key";
                SomeDictionary[key] = 10.0M;
            }

        }

        static void Main(string[] args)
        {
            var example = new Example();
            Console.ReadKey();
        }

If we put a tracepoint at the end of the constructor after the dictionary is defined and the key is added - Tracepoint action:

SomeDictionary: {SomeDictionary}; SomeDictionary[key]: {SomeDictionary[key]}

We can inspect the dictionary - Output:

SomeDictionary: Count = 1; SomeDictionary[key]: 10.0

edited Mar 10, 2017 at 18:10

answered Mar 10, 2017 at 17:49

chadnt

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Ronald Rink 'd-fens' · Accepted Answer · 2017-03-10 17:59:45Z

0

You can reference the dictionary by using

{ map["key1"] }

or using variable to access the keyvalue pair.

answered Mar 10, 2017 at 17:59

Ronald Rink 'd-fens'

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