Created
July 4, 2012 20:50
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Get Method Info for Expression
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| public MethodInfo GetMethodInfo<TSource>(Expression<Action<TSource>> methodLambda) | |
| { | |
| Type type = typeof(TSource); | |
| var member = methodLambda.Body as MethodCallExpression; | |
| if (member == null) | |
| throw new ArgumentException(string.Format( | |
| "Expression '{0}' does not refer to a method.", | |
| methodLambda)); | |
| var methodInfo = member.Method as MethodInfo; | |
| if (methodInfo == null) | |
| throw new ArgumentException(string.Format( | |
| "Expression '{0}' does not refer to a method.", | |
| methodLambda)); | |
| if (type != methodInfo.ReflectedType && | |
| !type.IsSubclassOf(methodInfo.ReflectedType)) | |
| throw new ArgumentException(string.Format( | |
| "Expresion '{0}' refers to a method that is not from type {1}.", | |
| methodLambda, type)); | |
| return methodInfo; | |
| } |
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