1) Run mfcsample program to generate runtime dll files. 2) Declare int i 3) Change Static error to Static Standard_Boolean 4) Cannot open input file TkVrml.lib 5) Project->properties->Configuration properties->Linker->General->Enable incremental linking to "YES" 6) Project->properties->Configuration properties->Linker->General->Enable incremental linking to "YES" 7) Project->properties->Configuration properties->Linker->Advanced->Randomized base address->" Disable image randomization to NO" 8) Project->properties->Configuration properties->Linker->Adanced->Data execution prevention->To Default 9) Project->properties->Configuration properties->Debugging->Command->add "$(TargetPath)" 10) Project->properties->Configuration properties->C/C++->Code generation->"Enable minimal rebuild to "YES(/GM)" 11) Project->properties->Configuration properties->C/C++->Advanced->Compile As->Changefrom Default to "Compile as C++ Code(/TP)" 12) Tool->options->Projects and Solutions->VC++ Directories > (Show Directories for)Top Right of Window -> Executable files -> insert new line by clicking on the new folder icon that is browse to "C:\OpenCASCADE6.3.0\ros\win32\bin" 13) Tool->options->Projects and Solutions->VC++ Directories > (Show Directories for)Top Right of Window -> Include files -> insert new line by clicking on the new folder icon, that is browse to "C:\OpenCASCADE6.3.0\ros\inc" 14) Tool->options->Projects and Solutions->VC++ Directories > (Show Directories for)Top Right of Window -> Library files -> insert new line by clicking on the new folder icon, that is browse to "C:\OpenCASCADE6.3.0\ros\win32\lib" 15) Tool->options->Projects and Solutions->VC++ Directories > (Show Directories for)Top Right of Window -> Source files -> insert new line by clicking on the new folder icon, that is browse to "C:\OpenCASCADE6.3.0\samples\standard\mfc" 16) Tool->options->Projects and Solutions->VC++ Directories > (Show Directories for)Top Right of Window -> Source files -> insert new line by clicking on the new folder icon, that is browse to "C:\OpenCASCADE6.3.0\ros\src" 17) Create a new folder called "libd" in "C:\OpenCASCADE6.3.0\ros\win32" and copy the "lib" folder into it. 18) Create a new folder called "bind" in "C:\OpenCASCADE6.3.0\ros\win32" and copy the "bin" folder into it. 19) Project->properties->C/C++->Command Line: Additional Options: type in " /DWNT ".