crystal-reports - 如何检查我的系统中是否安装了适用于 Visual Studio 2008 的 Crystal Reports 运行时环境

Question

我需要检查是否使用 inno setup 在我的系统中安装了 Crystal 报表运行时环境（32/64 位）。我该怎么做？

Answer 1

you can check any thing installed or not with inno setup by using different ways

you can find Crystal reports runtime environment(32/64 bit) is installed or not,
By querying registry or By checking for existence of directories or By checking for existence of files of that particular installer.

Check this answer will help you to find the way. Here I was explained how to check MySQL is installed or not, Apply same for Crystal reports runtime environment(32/64 bit).