请教大家：
如何在WINCC运行时读取当前用户的权限，我将useadmin.dll文件的内部函数输出，但不知道用那个，主要是因为没法知道它们的定义方式以及返回值类型。请用过的高手指教！！！
Dump of file UseAdmin.dll

File Type: DLL

Section contains the following exports for USEADMIN.dll

0 characteristics
3C1FB15B time date stamp Wed Dec 19 05:12:59 2001
0.00 version
1 ordinal base
17 number of functions
17 number of names

ordinal hint RVA name

1 0 0000450C PWRTCheckAreaPermission
2 1 00003B65 PWRTCheckPermission
3 2 00003F41 PWRTCheckPermissionOnArea
4 3 00004C75 PWRTCheckPermissionOnAreaID
5 4 00003D54 PWRTCheckPermissionOnPicture
6 5 0000432A PWRTGetCurrentUser
7 6 000046E8 PWRTGetLoginPriority
8 7 0000441B PWRTGetPermittedAreas
9 8 00004601 PWRTIsLoggedInByCard
10 9 00004103 PWRTLogin
11 A 00004308 PWRTLogout
12 B 00004BC8 PWRTLogoutEx
13 C 00003770 PWRTPermissionLevelDialog
14 D 0000378B PWRTPermissionLevelDialogEx
15 E 000039AF PWRTPermissionToString
16 F 00004314 PWRTSilentLogin
17 10 000048AC PWRTSilentLoginEx

Summary

2000 .data
2000 .rdata
1000 .reloc
1000 .rsrc
6000 .text