There are several ways to check the version of the Fax C++/OCX product. The easiest one is to launch the Demo32 sample and open the sample’s About box. The About box will display the version of all the DLLs that are shipped with Fax C++. The version of the faxcpp32.dll represents the version of the product.
Another way to check the Fax C++/OCX version is to check the version info of the Faxcpp32.dll. To do this right click on the faxcpp32.dll, select Properties and on the properties dialog, select the Version tab. The Version tab will display the version of the product.
A third method to check the product version is to call the GetFaxCppVersion function or the GetFaxCppVersionStr method.