如何查询磁盘空间大小? GetDiskFreeSpace The GetDiskFreeSpace function retrieves information about the specified disk, including the amount of free space on the disk. This function has been superseded by the GetDiskFreeSpaceEx function. New Win32-based applications should use GetDiskFreeSpaceEx. BOOL GetDiskFreeSpace( LPCTSTR lpRootPathName, // pointer to root path LPDWORD lpSectorsPerCluster, // pointer to sectors per cluster LPDWORD lpBytesPerSector, // pointer to bytes per sector LPDWORD lpNumberOfFreeClusters, // pointer to number of free clusters LPDWORD lpTotalNumberOfClusters // pointer to total number of clusters );
2。如何根据文件名查询文件以及得到文件大小? FindFirstFile The FindFirstFile function searches a directory for a file whose name matches the specified filename. FindFirstFile examines subdirectory names as well as filenames. HANDLE FindFirstFile( LPCTSTR lpFileName, // pointer to name of file to search for LPWIN32_FIND_DATA lpFindFileData // pointer to returned information ); FindFirstFile用这个结构来保存文件相关信息。 typedef struct _WIN32_FIND_DATA { // wfd DWORD dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; DWORD nFileSizeHigh; DWORD nFileSizeLow; DWORD dwReserved0; DWORD dwReserved1; TCHAR cFileName[ MAX_PATH ]; TCHAR cAlternateFileName[ 14 ]; } WIN32_FIND_DATA;
2.用CFileFind finder;
if(finder.findfile(filename))
{
//exist
}
CFile::GetStatus 文件大小
3.用Mediaplayer组见播放
4.shellexe(towave)如何?
5
用zip来压缩如何,好像有一库的。压缩多个和压缩一个好像关系不大把?
GetDiskFreeSpace
The GetDiskFreeSpace function retrieves information about the specified disk, including the amount of free space on the disk. This function has been superseded by the GetDiskFreeSpaceEx function. New Win32-based applications should use GetDiskFreeSpaceEx. BOOL GetDiskFreeSpace(
LPCTSTR lpRootPathName, // pointer to root path
LPDWORD lpSectorsPerCluster, // pointer to sectors per cluster
LPDWORD lpBytesPerSector, // pointer to bytes per sector
LPDWORD lpNumberOfFreeClusters,
// pointer to number of free clusters
LPDWORD lpTotalNumberOfClusters
// pointer to total number of clusters
);
2。如何根据文件名查询文件以及得到文件大小?
FindFirstFile
The FindFirstFile function searches a directory for a file whose name matches the specified filename. FindFirstFile examines subdirectory names as well as filenames. HANDLE FindFirstFile(
LPCTSTR lpFileName, // pointer to name of file to search for
LPWIN32_FIND_DATA lpFindFileData
// pointer to returned information
);
FindFirstFile用这个结构来保存文件相关信息。
typedef struct _WIN32_FIND_DATA { // wfd
DWORD dwFileAttributes;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
DWORD nFileSizeHigh;
DWORD nFileSizeLow;
DWORD dwReserved0;
DWORD dwReserved1;
TCHAR cFileName[ MAX_PATH ];
TCHAR cAlternateFileName[ 14 ];
} WIN32_FIND_DATA;
5。如何压缩转储文件(尤其是同时压缩转储多个文件)?
有很多winzip的DLL开发包,可以用来压缩转储多个文件。
3。如何调用mediaplay播放呢?
4。我试验一下。
5。zip的dll从哪儿能获取?to hujun614(胡均):
5。能讲详细点吗?如何得到那些开发包呀?
别急嘛,问题还没讨论完呢!不过,只能给你1分,除非你也帮我找找资料。:)
我写如下代码:
BOOL TestDisk;
ULARGE_INTEGER * m_DiskFreeSpaceMy=NULL;
ULARGE_INTEGER * m_DiskFreeSpaceMy1=NULL;
ULARGE_INTEGER * m_DiskFreeSpaceMy2=NULL;
TestDisk=::GetDiskFreeSpaceEx(NULL,m_DiskFreeSpaceMy,m_DiskFreeSpaceMy1,m_DiskFreeSpaceMy2);
if(TestDisk)
{
m_DiskFreeSpace.Format("%f",m_DiskFreeSpaceMy->QuadPart);
m_DiskFreeSpace=_T(m_DiskFreeSpaceMy->QuadPart);
UpdateData(FALSE);
}我想得到当前硬盘的空间大小,结果什么也没得到(三个变量全部是空),请问哪儿出错了?
不可以直接调用它吗?
windows自带了multimedia control,我准备用这个控件!这两个谁好?
你来迟了,已经撒分,不好意思!