我可以从我的程序中启动MSI安装程序吗？

Question

I'd like users to be able to reconfigure their installation (turn components on/off) by clicking a button on the UI. This would launch the installer using the msiexec /i command (or equivalent), and would have the same effect as clicking 'Change' in the Programs & Features Windows dialog.

I have one potential way of doing this: Install a copy of the MSI and use that to trigger the installation wizard.

However, I'm wondering if I can locate and trigger the MSI installer wizard using the registry or some other method, rather than making a copy of the installer. Is this possible?

Answer 1

Uninstall information is stored in HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\<your app> , where <your app> is a name or a GUID (depending on your installation). Under your app's key, the ModifyPath value should hold the modification command - msiexec.exe /I ... or so.

Answer 2

You can call msiexec /i <ProductCode> and it will figure out the rest. You would need to store your product code somewhere - you could easily add an entry into the Registry table of your MSI which uses [ProductCode] as the value.