How can I make a child process window to appear modal in my process?

Question

I have an application that calls some other utility application to set some settings for a particular device. That utility application is called using ShellExecuteEx.

So

Answer 1

Try this one. This halts the caller until the child process exits.

    private void btnChildApp_Click(object sender, EventArgs e)
    {
        Process p = Process.Start(@".\ChildApp.exe");
        p.WaitForExit();
    }