您如何将对象投射到元组? [英] How do you cast an object to a Tuple?

问题描述

我创建我的元组并将其添加到组合框中:

I create my Tuple and add it to a combo box:

comboBox1.Items.Add(new Tuple<string, string>(service, method));

现在，我希望将该项目投射为元组，但这不起作用:

Now I wish to cast the item as a Tuple, but this does not work:

Tuple<string, string> selectedTuple = 
                   Tuple<string, string>(comboBox1.SelectedItem);

我该怎么做?

推荐答案

投射时不要忘记():

Tuple<string, string> selectedTuple = 
                  (Tuple<string, string>)comboBox1.SelectedItem;

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