磁盘空间

Question

请问怎么得到指定的磁盘空间大小。比如：c:\的空间大小。已用空间和未用空间。

Answer 1

char crDrv[3];
CStringArray strArray;
_ULARGE_INTEGER  n64TotalNumberOfBytes,
 n64TotalNumberOfFreeBytes;
__int64  n64TotalFree = 0,n64TotalSpace = 0;
float fTotalFree,fTotalSpace,fTempFree,fTempTotal;
ULONG  lTotalFree = 0,lTotalSpace = 0,
   lTempFree = 0,lTempTotal = 0;
CString strInfo;
BOOL bSuccess; for(int n=2;n<=25;n++)
{
CString str;
str.Format("%c:\\",n+'A');
strcpy(crDrv,str);
UINT nDrvType = GetDriveType(crDrv);
switch(nDrvType)
{
case DRIVE_FIXED:
{
strArray.Add(crDrv);
break;
}
default:
{
break;
}
}
} for(n = 0;n < strArray.GetSize();n ++)
{
bSuccess = SHGetDiskFreeSpace(strArray.GetAt(n),
NULL,&n64TotalNumberOfBytes,
&n64TotalNumberOfFreeBytes);
n64TotalSpace += n64TotalNumberOfBytes.QuadPart;
n64TotalFree += n64TotalNumberOfFreeBytes.QuadPart; lTempTotal = (ULONG)(n64TotalNumberOfBytes.QuadPart/1024);
lTempFree = (ULONG)(n64TotalNumberOfFreeBytes.QuadPart/1024);
fTempTotal = (float)lTempTotal;
fTempTotal = fTempTotal/1024/1024;
fTempFree = (float)lTempFree;
fTempFree = fTempFree/1024/1024; strInfo.Format("%s 容量: %4.2fGB,可用空间: %4.2fGB.",
strArray.GetAt(n),fTempTotal,fTempFree);
AfxMessageBox(strInfo);
} lTotalSpace = (ULONG)(n64TotalSpace/1024);
lTotalFree = (ULONG)(n64TotalFree/1024);
fTotalSpace = (float)lTotalSpace;
fTotalSpace = fTotalSpace/1024/1024;
fTotalFree = (float)lTotalFree;
fTotalFree = fTotalFree/1024/1024; strInfo.Format("总容量: %4.2fGB,总共可用空间: %4.2fGB.",
fTotalSpace,fTotalFree);
AfxMessageBox(strInfo);