To built PGPLOT libraries with the Microsoft Visual C++ and Digital Visual Fortran compilers use the GrWin ToolKit available for download at ftp://spdg1.sci.shizuoka.ac.jp/pub/GrWinlib/english/contrib/GrWinTk-xxx.tgz or see http://www.pha.jhu.edu/~kgb/PGPLOT-Win32/