查找路径是否存在,包括根目录。& 检测磁盘剩余空间
BOOL bRet=PathFileExists(strFileName);
Header: shlwapi.h
Import library: shlwapi.lib
// 检测磁盘剩余空间
// cDiskID: 磁盘盘符
// FreeDiskSpaceLimit: 剩余空间限制
UINT HardDiskOfCapacityCheck(char cDiskID, ULONG FreeDiskSpaceLimit)
{
_ULARGE_INTEGER n64TotalNumberOfBytes, n64TotalNumberOfFreeBytes;
__int64 n64TotalFree = 0, n64TotalSpace = 0;
char crDrv[3];
// CStringArray strArray;
sprintf(crDrv, "%c:\\",cDiskID);
UINT nDrvType = GetDriveType((LPCTSTR)crDrv);
if (nDrvType != DRIVE_FIXED)
{
return NOT_DISK;
}
BOOL bSuccess = SHGetDiskFreeSpaceEx((LPCTSTR)crDrv, NULL, &n64TotalNumberOfBytes, \
&n64TotalNumberOfFreeBytes);
if (!bSuccess)
{
return STATE_ERROR;
}
n64TotalSpace = (ULONG)n64TotalNumberOfBytes.QuadPart/1024;
n64TotalFree = (ULONG)n64TotalNumberOfFreeBytes.QuadPart/1024;
if (n64TotalFree < FreeDiskSpaceLimit)
{
return LACK_OF_DISK;
}
return SUFFICIENT_OF_DISK;
}