We are gradually adding Origin's internal functions into Origin C, so feedbacks from users would help deciding what we should add first.
As for the ASCII import function, it has been added and will be available in the upcoming service release (SR3).
class Worksheet : public Datasheet
{
public:
int ImportASCII(LPCSTR lpcszFilename, ASCIMP &stAscImp);
BOOL ImportASCII(LPCSTR lpcszFilename, BOOL bRenameWks=FALSE, int nMode = ASCIMP_MODE_REPLACE_DATA, BOOL bRenameCols=FALSE);
};
CP