NX9+VS2012

 #include <uf.h>

 #include <uf_ui.h>

 #include <uf_part.h>

 #include <atlstr.h>

 #include <iostream>

 #include <sstream>

 UF_initialize;

 //获取当前part所在路径

 char part_fspec[MAX_FSPEC_SIZE+];

 UF_PART_ask_part_name(UF_PART_ask_display_part(), part_fspec);

 //转换

 char new_fspec[];

 sprintf(new_fspec, "/select, %s", part_fspec);

 //打开并选中状态

 ShellExecute(NULL,"open","Explorer.exe",new_fspec,NULL,SW_SHOWDEFAULT);

 UF_terminate();

 Caesar卢尚宇

 2019年7月26日

 ShellExecute(

     NULL,

     _T("open"),

     _T("Explorer.exe"),

     _T("/select, D:\\a.mp3"),

     NULL,

     SW_SHOWDEFAULT);

 HELLEXECUTEINFO shex = {  };

 shex.cbSize = sizeof(SHELLEXECUTEINFO);

 shex.lpFile = _T("explorer");

 shex.lpParameters = _T(" /select, D:\\a.mp3");

 shex.lpVerb = _T("open");

 shex.nShow = SW_SHOWDEFAULT;

 shex.lpDirectory = NULL;

 ShellExecuteEx(&shex);

 Explorer [/e][,/root,<object>][[,/select],<sub object>]

 /e

    Use Explorer view (scope and results pane view). The default is

    Open view (results in pane view only).

 /root<object>

    Specify the object in the "normal" name space that is

    used as the root (top level) of this Explorer/Folder (i.e., local

    path or UNC name). The default is the Desktop).

 /Select

    The parent folder opens and the specified object is selected.

    <sub object>   Specify the folder unless /select is used. The

    default is the root.