C# (CSharp) MethodCallExpression.IsForEachMethod示例

示例#1

 protected override Expression VisitMethodCall(MethodCallExpression m)
 {
     if (m.IsContentIndexer())
     {
         Expression obj = Visit(m.Object);
         return(Expression.Call(obj, m.Method, m.Arguments[0]));
     }
     if (Iterator == null && m.IsForEachMethod())
     {
         Iterator = m.Arguments[1].RemoveCastToObject();
         return(m.Arguments[0]);
     }
     return(base.VisitMethodCall(m));
 }