ListView组标题单击 - 如何向ListView组标题添加上下文菜单？

I use a ListView in my WinForms application, which contains a lot of values and also a few groups. The group headers only show the name of the group, so i want to add a context menu to the group header with an item "Show description" to show a long summary of the Group. in my WinForms application, wh