初始化对话框：
TCHAR cBuffer[256];
DWORD nSize = sizeof(cBuffer);
ZeroMemory(cBuffer, nSize);
GetUserName(cBuffer, &nSize);//获取用户信息
MessageBox(NULL, cBuffer, TEXT(“用户信息”), MB_OK);
GetOsVersion();//获取系统版本信息
DWORD nSeconds = GetTickCount();
ZeroMemory(cBuffer, nSize);
wsprintf(cBuffer, “系统已启动%d秒”, nSeconds/1000);//获取系统启动时间
MessageBox(NULL, cBuffer, TEXT(“系统信息”), MB_OK);
GetDiskType(“C:”); //获取磁盘C类型
GetDiskFreeSpaceInfo(“C:”);//获取磁盘C空间信息
自定义函数：
void GetOsVersion()
{
OSVERSIONINFO osvi;
TCHAR* strOSVersion;
ZeroMemory(&osvi, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(osvi);
GetVersionEx(&osvi);
//首先判断是NT架构的还是旧架构
switch(osvi.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
{
strOSVersion = TEXT(“Windows 2000”);
}
else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
{
strOSVersion = TEXT(“Windows XP”);
}
else if(osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)
{
strOSVersion = TEXT(“Windows Vista”);
}
else if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
{
strOSVersion = TEXT(“Windows NT”);
}
break;
case VER_PLATFORM_WIN32_WINDOWS:
if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
{
strOSVersion = TEXT(“Windows 98”);
}
else if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
{
strOSVersion = TEXT(“Windows ME”);
}
else
{
strOSVersion = TEXT(“Windows 95”);
}
break;
default:
break;
}
MessageBox(NULL,strOSVersion, TEXT(“系统信息”), MB_OK);
}
void GetDiskType(LPCTSTR lpRootPathName)
{
UINT uType = GetDriveType(lpRootPathName);
switch(uType)
{
case DRIVE_UNKNOWN:
MessageBox(NULL,TEXT(“未知磁盘类型”),””,MB_OK);
break;
case DRIVE_NO_ROOT_DIR:
MessageBox(NULL,TEXT(“磁盘名无效”),””,MB_OK);
break;
case DRIVE_REMOVABLE:
MessageBox(NULL,TEXT(“可移动磁盘”),””,MB_OK);
break;
case DRIVE_FIXED:
MessageBox(NULL,TEXT(“固定磁盘”),””,MB_OK);
break;
case DRIVE_REMOTE:
MessageBox(NULL,TEXT(“网络磁盘”),””,MB_OK);
break;
case DRIVE_CDROM:
MessageBox(NULL,TEXT(“光驱”),””,MB_OK);
break;
case DRIVE_RAMDISK:
MessageBox(NULL,TEXT(“RAM”),””,MB_OK);
break;
default:
MessageBox(NULL,TEXT(“GetDriveType的非法返回值”),””,MB_OK);
}
}
void GetDiskFreeSpaceInfo(LPCSTR lpDirectoryName)
{
ULARGE_INTEGER nFreeBytesAvailableToCaller;
ULARGE_INTEGER nTotalNumberOfBytes;
ULARGE_INTEGER nTotalNumberOfFreeBytes;
if(GetDiskFreeSpaceEx(lpDirectoryName, &nFreeBytesAvailableToCaller, &nTotalNumberOfBytes, &nTotalNumberOfFreeBytes))
{
TCHAR cInfo[256];
wsprintf(cInfo, “磁盘%s总大小：%I64dG 空闲空间：%I64dG 可用空间：%I64dG”, lpDirectoryName, nTotalNumberOfBytes.QuadPart/1024/1024/1024, nTotalNumberOfFreeBytes.QuadPart/1024/1024/1024, nFreeBytesAvailableToCaller.QuadPart/1024/1024/1024);
MessageBox(NULL, cInfo, TEXT(“磁盘信息”), MB_OK);
}
else
{
MessageBox(NULL, TEXT(“获取磁盘信息失败”), TEXT(“错误”), MB_OK | MB_ICONASTERISK);
}
}
关于ULARGE_INTEGER:
http://www.rupeng.com/forum/thread-409-1-1.html
http://blog.csdn.net/feilong0519/archive/2008/10/26/3153010.aspx
