In This Chapter
With all the wonderful things you can do in Excel VBA, there are some things that are out of VBA’s reach or are just too difficult to do, such as finding out what the user’s screen resolution setting is. This is where the Windows application programming interface (API) can help.
If you look in the Windows System directory \Windows\System32 (Windows NT systems), you will see many files with the extension
.dll. These files, which are dynamic link libraries (dll), contain various functions and procedures that other programs can access, ...