GetVersionEx-如何获取系统版本详细信息
来源:优易学  2011-11-17 12:38:32   【优易学:中国教育考试门户网】   资料下载   IT书店
  //声明:
  GetVersionEx(
  var lpVersionInformation: TOSVersionInfo {参数是一个结构}
  ): BOOL;
  //结构 TOSVersionInfo 是 _OSVERSIONINFOA 的重命名
  _OSVERSIONINFOA = record
  dwOSVersionInfoSize: DWORD;     {结构大小}
  dwMajorVersion: DWORD;      {主编号}
  dwMinorVersion: DWORD;      {次编号}
  dwBuildNumber: DWORD;      {建立编号}
  dwPlatformId: DWORD;       {作业平台}
  szCSDVersion: array[0..127] of AnsiChar; {更多说明}
  end;
  {青年人网提示另外参数4(作业平台)可能的取值是:
  VER_PLATFORM_WIN32s = 0;
  VER_PLATFORM_WIN32_WINDOWS = 1;
  VER_PLATFORM_WIN32_NT = 2;
  VER_PLATFORM_WIN32_CE = 3;
  我没装 Vista.
  }
  //举例:
  var
  OsInfo: TOSVersionInfo;
  const
  s = '主编号: %d' + sLineBreak +
  '次编号: %d' + sLineBreak +
  '建立编号: %d' + sLineBreak +
  '作业平台: %d' + sLineBreak +
  '更多说明: %s';
  begin
  OsInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfo); {先根据大小要内存}
  GetVersionEx(OsInfo);
  ShowMessage(Format(s, [OsInfo.dwMajorVersion,
  OsInfo.dwMinorVersion,
  OsInfo.dwBuildNumber,
  OsInfo.dwPlatformId,
  OsInfo.szCSDVersion]));
  end;
  //效果图:

责任编辑:小草

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