C# listview reacts incorrectly on click?

Question

C++ / C#

There is a listview on the windows form
When the button "3" is clicked, the form performs some action
But if there is a SelectedItem in the ListView, then it will start changing (changing to the next one)
I guess this is the default behavior of the listview
How can I disable it?

Answer 1

code on "button 3" to the studio!... otherwise the conversation is about nothing
ps and the word

the form

you can definitely consider it a hint that you are using WinForms, not WPF, or UWP .. otherwise there will be
pps everywhere, and then all of a sudden Xamarin;)) - this is all the more a separate chicken coop, all the more you need to explicitly specify))
if the project is not large , and yet does not contain secret know-how - you can generally lay out the project .. you can on a jit, or in a zip to your favorite file sharing))