获取常用系统变量

获取常用系统变量

源:GetEnvironmentVariable 获取常用系统变量

//譬如 WINDIR 表示系统目录系统变量, 以这样获:

var

s:string;

begin

s:=GetEnvironmentVariable('WINDIR');

ShowMessage(s);{C:WINDOWS}

end;

(*--------------------------------------------------------------------------------

  WINDIR            {系统目录 - C:WINDOWS}

  SYSTEMROOT             {系统目录 - C:WINDOWS}

  SYSTEMDRIVE            {系统根目录 - C:}

  HOMEDRIVE            {当户根目录 - C:}

  USERPROFILE            {当户目录 - C:Documents and Settingswy}

  HOMEPATH            {当户路径 - Documents and Settingswy}

  TMP                {当户临时文夹 - C:DOCUME~1wyLOCALS~1Temp}

  TEMP                 {当户临时文夹 - C:DOCUME~1wyLOCALS~1Temp}

  APPDATA             {当户数据文夹 - C:Documents and SettingswyApplication Data}

  PROGRAMFILES            {程序默认安装目录 - C:Program Files}

  COMMONPROGRAMFILES        {文通目录 - C:Program FilesCommon Files}

  USERNAME            {当户名 - wy}

  ALLUSERSPROFILE        {所有户文目录 - C:Documents and SettingsAll Users}

  OS                {操作系统名 - Windows_NT}

  COMPUTERNAME            {计算机名 - IBM-B63851E95C9}

  NUMBER_OF_PROCESSORS        {处理器个数 - 1}

  PROCESSOR_ARCHITECTURE     {处理器芯片架构 - x86}

  PROCESSOR_LEVEL        {处理器型号 - 6}

  PROCESSOR_REVISION        {处理器修订号 - 0905}

  USERDOMAIN             {包含户帐号域 - IBM-B63851E95C9}

  COMSPEC             {C:WINDOWSsystem32cmd.exe}

  PATHEXT             {执行文类型 - .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.pyo;.pyc;.py;.pyw}

  Path                 {搜索路径} s: string;

--------------------------------------------------------------------------------*)

begin

  s := GetCurrentDir;

  ShowMessage(s); {C:Documents and SettingswyMy DocumentsRAD StudioProjects}

  

  SetCurrentDir('..');

  s := GetCurrentDir;

  ShowMessage(s); {C:Documents and SettingswyMy DocumentsRAD Studio}

  

  SetCurrentDir('....');

  s := GetCurrentDir;

  ShowMessage(s); {C:Documents and Settingswy}

end;
04-28 05:25