The install script I've inherited calls a Custom Action (written in C#). The routine reads an INI file that contains site specific information. What's needed is ability to change the value of a Property Id in the main Wix script. The Custom Action has a line "string sourceDir = session["SourceDir"];" which contains the path to the MSI file. The INI file is contained in the same path. Is it a fair presumption that if it is able to read the installation directory information then it be able to access other Property Id information? I haven't worked with C# before so experimentations with syntax options has been limited. I tried looking for options for 'session' but didn't recognise any option as being able to set a property id. Does anyone have suggestions for the C# syntax to use for changing the value of a Property Id?
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