lpsolve |
[DllImportAttribute("lpsolve55", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)] public static bool is_trace( IntPtr lp )
<DllImportAttribute("lpsolve55", CharSet := CharSet.Ansi, ExactSpelling := true, SetLastError := true>] Public Shared Function is_trace ( lp As IntPtr ) As Boolean