c# - How to get value of a Lambda MemberExpression -


लम्ब्डा अभिव्यक्ति को देखते हुए: 

  परिभाषित करें (अभिव्यक्ति & lt; फ़नक & lt; T, int & gt; & gt; ; संपत्ति)

और जैसा प्रयोग किया जाता है: 

  परिभाषित करें (x = & gt; x.collection.count)

गणना के मूल्य प्राप्त करने का सबसे अच्छा तरीका क्या है? क्या अभिव्यक्ति वृक्ष के साथ एक आसान तरीका है या क्या मुझे प्रॉपर्टी इन्फ़ो और गेटिवैल () प्राप्त करने के लिए पेड़ को पार्स करने के लिए प्रतिबिंब का उपयोग करना चाहिए?

आप अपने लैम्ब्डा से संबंधित प्रतिनिधि पाने के लिए निम्न का उपयोग कर सकते हैं: 

  var propDelegate = property.Compile (); Var गणना = प्रोपैलेगेट (...);

प्रोपैलेगेट एक Func & lt; T, int & gt; होगा, और आप इसे टाइप टी के आवश्यक ऑब्जेक्ट में से गुजर सकते हैं।


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