Download MDIGRAPH.DLL file from the DLL library collection and OCX elements. Perhaps this file will help you to correct the error "the MDIGRAPH.DLL library is not found" which appears as a result of incorrect operation of the Windows operating system or work with the program.
How to download free mdigraph.dll?
Also, this file may be required when developing software. When using the MDIGRAPH.DLL file, you should review the copyrights to it.