p>查看安装程序类。将从此类派生的新类添加到应用程序的项目中。不要忘记应用RunInstaller属性。

在部署项目中，为安装和提交添加自定义操作。对于安装自定义操作的CustomActionData属性，输入 / Targetdir =[TARGETDIR] \。

在您在应用程序项目中创建的安装程序类中，覆盖安装方法，在此方法中可以得到如下安装目录：

  string targetDir = Context.Parameters [TargetDir]; 
 

I'm developing an application and I'm going to deploy it with the help of a deployment project (which is gonna create an installer).

At one step in the installer, it will allow the user to change the installation folder for the application.

I need to know what this folder is because there will be some files saved there that I need to use from another DLL file. How can I programmatically get this installation folder?

Thank you!

Take a look at the Installer class. Add a new class derived from this class to your application's project. Don't forget to apply the RunInstaller attribute.

In your deployment project, add a Custom Action for Install and Commit. For the CustomActionData property for the Install custom action, enter /Targetdir="[TARGETDIR]\".

In your Installer class that you created in the application's project, override the Install method, and in this method you can get the installation directory like this:

string targetDir = Context.Parameters[ "TargetDir" ];