MsiGetProperty(); Retruns a blank value

codeforfun

I am trying to read the Installation directory from a Visual Studio Installer from a C++ DLL.

So i created a VS Installer and a Custom Action that calls a C++ DLL. The DLL does get called but the but the MsiGetProperty(); always returns no value.

I am really stuck for ideas here. I have been trying to get this to work for 2days and failed to figure out the correct way of doing this.

I need some help, can anyone point me in the right direction.


My end goal here is to get hold of the install directory selected by the user so I can create a scheduled task on the command line. That will run the program once a week.


Here the class in question: http://codepad.org/G0lWvlPJ


Thanks for any help or ideas guys, i really am so stuck. I just don