基于visual c++之windows核心编程代码分析（23）遍历驱动器并获取驱动器属性

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