ContributionsMost RecentMost LikesSolutionshow to use a button's add_Click function? hello all. I see that a button has many add_xxx functions, such as add_Click(), add_Drop(), add_Loaded()... but I never find the help information about them from the tutorial, official website and other websites. I wonder where to find the relative usage? The picture is as followed: thank you very much! SolvedRe: how to use a button's add_Click function? I use java script. In the methods tab item, other methods are available, such as Click, drag. so in my opinion, the add_xxx methods are also available, but I don't know their parameter format. Re: how to use a button's add_Click function? I am studying the unknown knowledge about test complete, and there are so many add_xxx methods...