void* freeHookData, void* storageLocation, int storageSize)
.SH DESCRIPTION
\fBFreeHookFun\fP can be hooked with function \fIfunction StorageSetFreeHook\fP into every \fBdelete\fP. That means \fBFreeHookFun\fP is called on every memory free that is made. It is used f.i. in the PROGENV to update References to deleted objects.