磁盤空間檢查

// 磁盤剩餘空間是否足夠保存圖片
void CSequencer::IsDiskSpaceEnough(int nChipIndex)
{
 // 獲取保存磁盤的剩餘空間
 USES_CONVERSION;
 ULONGLONG totalFreeBytes;// 總剩餘空間
 ULONGLONG needSpaceBytes;// 需要的空間
 ULARGE_INTEGER nTotalBytes;
 ULARGE_INTEGER nFreeBytes;
 CString root = "C:";
 GetDiskFreeSpaceEx(root, &nFreeBytes, &nTotalBytes, NULL);
 totalFreeBytes = nFreeBytes.QuadPart;

 // 字節轉換爲G
 double freeG = (double)totalFreeBytes / 1024 / 1024 / 1024;

 return;
}