1、CVI中判定磁盘空间大小的函数:
int GetDiskSpace (const char directory[], UInt64Type *totalBytes, UInt64Type *totalBytesFree);
2、CVI中判定文件时间的函数:
int GetFileDate (char fileName[], int *month, int *day, int *year);
int GetFileTime (char fileName[], int *hours, int *minutes, int *seconds);