[Inno Setup] 卸载 重启之后 删除文件

procedure CurUninstallStepChanged (CurUninstallStep: TUninstallStep);
var
     mres : integer;
begin
    case CurUninstallStep of                   
    usPostUninstall:
        begin
          mres := MsgBox(‘Do you want to remove the settings of xxx?‘, mbConfirmation, MB_YESNO or MB_DEFBUTTON2);
          if mres = IDYES then
            DelTree(ExpandConstant(‘{commonappdata}\xxxFiles‘), True, True, True);

          RegWriteStringValue(HKLM, ‘Software\Microsoft\Windows\CurrentVersion\RunOnce‘, ‘xxxUninstall‘, ExpandConstant(‘cmd.exe /c del {sys}\drivers\xxx.sys‘));

       end;end;