卸载应用程序，然后使用c＃安装另一个应用程序

Question

I'm trying to uninstall an application from the system and install a new version of it.

I tried out using Process.start and WaitForExit method in c# code

var process1 = Process.Start(@"C:\Program Files\CPUID\CPU-Z\unins000.exe");
process1.WaitForExit();
var process2 = Process.Start(@"C:\Users\abc\Downloads\Programs\cpu-z_1.71-setup-en.exe");

When the code runs, the setup file for the cpu-z_1.71 launches before the uninstaller exit.

How can i make the installer to wait until I press the OK button of the complete uninstallation dialog box.

Is it possible to do the above task using process or should I use some alternative

Answer 1

You can find a method from below articles.

• How to know when a process created by Process.Start() was closed?
• Process waitForExit() doesn't work

and this code can be a method.

private void RunNotePad()
{
    Process p1 = new Process("notepad.exe");
    p1.EnableRaisingEvents = true;
    //when process exit, excute ProcessExited function.
    p1.Exited += new EventHandler(ProcessExited);
    p1.Start();
}

public void ProcessExited(object source, EventArgs e)
{
    //start to install a new version
}