ILOG CPLEX C++ API 9.0 Reference Manual

IloCplex
By convention, the file extension is .prm. The PRM file format is documented in the
reference manual ILOG CPLEX File Formats.
public void writeTextSolution(const char * name)
Writes a solution file in text format for the current problem to the file indicated by
name.
public void writeTree(const char * name)
Writes the branch-and-bound tree from the last optimization to a file speified by name
in TRE format.
By convention, the file extension is .tre. The TRE file format is documented in the
reference manual ILOG CPLEX File Formats.
public void writeVectors(const char * name)
This method writes solution information from a barrier optimization (without crossover)
into the file indicated by name. By convention, the file extension is .vec. The VEC
file format is documented in the reference manual ILOG CPLEX File Formats.
ILOG CPLEX C++ API 9.0 REFERENCE M ANUAL 75