将项目动态添加到上下文菜单并设置单击操作

I have a List of strings that is regenerated every 5 seconds. I want to create a Context Menu and set its items dynamically using this list. The problem is that I don't have even a clue how to do that and manage the Click action for every item generated (which should use the same method with different parameter DoSomething("item_name")).I have a List of strings that is regenerated ev