安装过程中，有时候需要根据用户的设置来进行不同的安装，其中一个方面就是根据用户选择安装的Feature或者Component，来判断下一步的操作。Wix中提供了相关的判断方法和内置的状态值。Prepending some special characters to the names will give them extra meaning:%environment variable (name is case insensitive)$ action state of component? installed state of component& action state of f Read More
