single_instance_options/
single_instance_options.rs

1fn main() -> Result<(), Box<dyn std::error::Error>> {
2    let options = win_desktop_utils::SingleInstanceOptions::new("demo-app-options")
3        .scope(win_desktop_utils::InstanceScope::CurrentSession);
4
5    match options.acquire()? {
6        Some(_guard) => {
7            println!("first instance using options");
8            println!("press Enter to exit");
9            let mut s = String::new();
10            std::io::stdin().read_line(&mut s)?;
11        }
12        None => {
13            println!("already running");
14        }
15    }
16
17    Ok(())
18}

single_instance_options/single_instance_options.rs

single_instance_options/
single_instance_options.rs