Adding a node/property to an Expression Tree

Question

This is the first time I\'ve really dealt with Expression Trees, and I am a bit lost. I apologise if this question just doesn\'t make any sense at all. Consider the followin

Answer 1

Sure; if you have baseExpression, then something like:

var valExpression = Expression.Lambda>(
    Expression.PropertyOrField(baseExpression.Body, "Value"),
    baseExpression.Parameters);
var updateExpression = Expression.Lambda>(
    Expression.PropertyOrField(baseExpression.Body, "Update"),
    baseExpression.Parameters);