>I'm using the scrollable container class from the CTL32 library
>
>It works fine in my development enviroment, but when I build the app into an EXE, when I run the form I get the error:
>
>Variable 'NTDDI_WINXP' is not found
>
>The CTL32 library is in the folder C:\CTL32
>
>What is missing from my project?
>
>Help!

Robin,

Looks like this variable could be a constant defined in some .h file. Check if the class has a reference to include file and include this file into your project.