Changing the binary resources of an application is not as easy as you might think. First of all, the documentation is poor, the needed functions are only available on Windows NT and above, and the resource structures are more or less kept a secret.
::UpdateResource()Windows NT API. It will not work on Windows 95/98.
Source Code DependenciesWindows NT 4.0 SP4
Microsoft MFC Library
|Source Code (18 Kb)|