关于CATIA的CATGetLoginName 如何调用？

cwp86

ExportedByJS0LIB CATLibStatus CATGetLoginName (char *oName, unsigned int iNamesize);

char *useName;
int useNameSize = {256};
1 E* y# }: j4 `1 r" H# e% P) I6 VlibNameStatus = CATGetLoginName(useName,useNameSize);
2 k8 R: A+ R- H6 H/ x" }3 p( ECATUnicodeString designName="";
# ~4 o) T, T0 C: odesignName.BuildFromUCChar(useName);
_DesignEdit->SetText(designName); //文本框中的Text的属性设置