学步园

我们在进行Windows编程的时候，经常需要进行遍历驱动器并获取驱动器属性，我们来实现遍历驱动器并获取驱动器属性。请见代码实现与注释讲解

 

#define _WIN32_WINNT 0x0501<br /> /* 头文件　*/<br /> #include <windows.h><br /> #include <stdio.h><br /> /* 预定义　*/<br /> #define BUFSIZE MAX_PATH<br /> /* 函数申明　*/<br /> BOOL GetDirverInfo(LPSTR szDrive);</p> <p>/* ************************************<br /> * 功能 应用程序主函数，遍历驱动器并调用<br /> * GetDirverInfo 获取驱动器属性<br /> **************************************/<br /> int main(void)<br /> {<br /> TCHAR buf[BUFSIZE]; // 卷标信息<br /> HANDLE hVol; // 卷遍历句柄<br /> BOOL bFlag;</p> <p> hVol = FindFirstVolume (buf, BUFSIZE );</p> <p> if (hVol == INVALID_HANDLE_VALUE)<br /> {<br /> printf (TEXT("No volumes found!\n"));<br /> return (-1);<br /> }</p> <p> GetDirverInfo (buf);</p> <p> while( FindNextVolume(<br /> hVol,<br /> buf,<br /> BUFSIZE<br /> ))<br /> {<br /> GetDirverInfo (buf);<br /> }</p> <p> bFlag = FindVolumeClose(<br /> hVol<br /> );</p> <p> return (bFlag);<br /> }</p> <p>/* ************************************<br /> * BOOL GetDirverInfo(LPSTR szDrive)<br /> * 功能 获取驱动器的属性<br /> * 参数 LPSTR szDrive<br /> * 指明要获取属性的驱动器的根路径 如 C:\<br /> * 返回值 BOOL 是否成功<br /> **************************************/<br /> BOOL GetDirverInfo(LPSTR szDrive)<br /> {<br /> UINT uDriveType;<br /> DWORD dwVolumeSerialNumber;<br /> DWORD dwMaximumComponentLength;<br /> DWORD dwFileSystemFlags;<br /> CHAR szFileSystemNameBuffer[BUFSIZE];<br /> CHAR szDirveName[MAX_PATH];<br /> printf("\n%s\n",szDrive);<br /> uDriveType = GetDriveType(szDrive);<br /> switch(uDriveType)<br /> {<br /> case DRIVE_UNKNOWN:<br /> printf("The drive type cannot be determined. ");<br /> break;<br /> case DRIVE_NO_ROOT_DIR:<br /> printf("The root path is invalid, for example, no volume is mounted at the path. ");<br /> break;<br /> case DRIVE_REMOVABLE:<br /> printf("The drive is a type that has removable media, for example, a floppy drive or removable hard disk. ");<br /> break;<br /> case DRIVE_FIXED:<br /> printf("The drive is a type that cannot be removed, for example, a fixed hard drive. ");<br /> break;<br /> case DRIVE_REMOTE:<br /> printf("The drive is a remote (network) drive. ");<br /> break;<br /> case DRIVE_CDROM:<br /> printf("The drive is a CD-ROM drive. ");<br /> break;<br /> case DRIVE_RAMDISK:<br /> printf("The drive is a RAM disk. ");<br /> break;<br /> default:<br /> break;<br /> }<br /> if (!GetVolumeInformation(<br /> szDrive,<br /> szDirveName,<br /> MAX_PATH,<br /> &dwVolumeSerialNumber,<br /> &dwMaximumComponentLength,<br /> &dwFileSystemFlags,<br /> szFileSystemNameBuffer,<br /> BUFSIZE<br /> ))<br /> {<br /> return FALSE;<br /> }<br /> if(0!=lstrlen(szDirveName))<br /> {<br /> printf ("\nDrive Name is %s\n",szDirveName);<br /> }</p> <p> printf ("\nVolume Serial Number is %u",dwVolumeSerialNumber);<br /> printf ("\nMaximum Component Length is %u",dwMaximumComponentLength);<br /> printf ("\nSystem Type is %s\n",szFileSystemNameBuffer);</p> <p> if(dwFileSystemFlags & FILE_SUPPORTS_REPARSE_POINTS)<br /> {<br /> printf ("The file system does not support volume mount points.\n");<br /> }<br /> if(dwFileSystemFlags & FILE_VOLUME_QUOTAS)<br /> {<br /> printf ("The file system supports disk quotas.\n");<br /> }<br /> if(dwFileSystemFlags & FILE_CASE_SENSITIVE_SEARCH)<br /> {<br /> printf ("The file system supports case-sensitive file names.\n");<br /> }<br /> //you can use these value to get more informaion<br /> //<br /> //FILE_CASE_PRESERVED_NAMES<br /> //FILE_CASE_SENSITIVE_SEARCH<br /> //FILE_FILE_COMPRESSION<br /> //FILE_NAMED_STREAMS<br /> //FILE_PERSISTENT_ACLS<br /> //FILE_READ_ONLY_VOLUME<br /> //FILE_SUPPORTS_ENCRYPTION<br /> //FILE_SUPPORTS_OBJECT_IDS<br /> //FILE_SUPPORTS_REPARSE_POINTS<br /> //FILE_SUPPORTS_SPARSE_FILES<br /> //FILE_UNICODE_ON_DISK<br /> //FILE_VOLUME_IS_COMPRESSED<br /> //FILE_VOLUME_QUOTAS<br /> printf("...\n");<br /> return TRUE;<br /> }