AutoHotkey给定的内置特殊目录有限，为了扩充特殊目录，借用Wscript.Shell对象，或者借用FSO对象。
AutoHotkey脚本如下：
run % SpecialFolder("Startup")
return
SpecialFolder(str="Desktop")
{
WshShell:=ComObjCreate("Wscript.Shell")
return WshShell.SpecialFolders(str)
}
上面的参考 http://www.jb51.net/article/15153.htm
==============win32 API 如下===========================
/*
ShellSpecialFolderConstants enumeration
https://docs.microsoft.com/zh-cn/windows/win32/api/shldisp/ne-shldisp-shellspecialfolderconstants?redirectedfrom=MSDN
ssfDESKTOP 0x00 (0). Windows desktop—the virtual folder that is the root of the namespace.
ssfPROGRAMS 0x02 (2). File system directory that contains the user's program groups (which are also file system directories). A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Start Menu\Programs.
ssfCONTROLS 0x03 (3). Virtual folder that contains icons for the Control Panel applications.
ssfPRINTERS 0x04 (4). Virtual folder that contains installed printers.
ssfPERSONAL 0x05 (5). File system directory that serves as a common repository for a user's documents. A typical path is C:\Users<i>username\Documents.
ssfFAVORITES 0x06 (6). File system directory that serves as a common repository for the user's favorite URLs. A typical path is C:\Documents and Settings<i>username\Favorites.
ssfSTARTUP 0x07 (7). File system directory that corresponds to the user's Startup program group. The system starts these programs whenever any user first logs into their profile after a reboot. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\StartUp.
ssfRECENT 0x08 (8). File system directory that contains the user's most recently used documents. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Recent.
ssfSENDTO 0x09 (9). File system directory that contains Send To menu items. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\SendTo.
ssfBITBUCKET 0x0a (10). Virtual folder that contains the objects in the user's Recycle Bin.
ssfSTARTMENU 0x0b (11). File system directory that contains Start menu items. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Start Menu.
ssfDESKTOPDIRECTORY 0x10 (16). File system directory used to physically store the file objects that are displayed on the desktop. It is not to be confused with the desktop folder itself, which is a virtual folder. A typical path is C:\Documents and Settings<i>username\Desktop.
ssfDRIVES 0x11 (17). My Computer—the virtual folder that contains everything on the local computer: storage devices, printers, and Control Panel. This folder can also contain mapped network drives.
ssfNETWORK 0x12 (18). Network Neighborhood—the virtual folder that represents the root of the network namespace hierarchy.
ssfNETHOOD 0x13 (19). A file system folder that contains any link objects in the My Network Places virtual folder. It is not the same as ssfNETWORK, which represents the network namespace root. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Network Shortcuts.
ssfFONTS 0x14 (20). Virtual folder that contains installed fonts. A typical path is C:\Windows\Fonts.
ssfTEMPLATES 0x15 (21). File system directory that serves as a common repository for document templates.
ssfCOMMONSTARTMENU 0x16 (22). File system directory that contains the programs and folders that appear on the Start menu for all users. A typical path is C:\Documents and Settings\All Users\Start Menu. Valid only for Windows NT systems.
ssfCOMMONPROGRAMS 0x17 (23). File system directory that contains the directories for the common program groups that appear on the Start menu for all users. A typical path is C:\Documents and Settings\All Users\Start Menu\Programs. Valid only for Windows NT systems.
ssfCOMMONSTARTUP 0x18 (24). File system directory that contains the programs that appear in the Startup folder for all users. A typical path is C:\Documents and Settings\All Users\Microsoft\Windows\Start Menu\Programs\StartUp. Valid only for Windows NT systems.
ssfCOMMONDESKTOPDIR 0x19 (25). File system directory that contains files and folders that appear on the desktop for all users. A typical path is C:\Documents and Settings\All Users\Desktop. Valid only for Windows NT systems.
ssfAPPDATA 0x1a (26). Version 4.71. File system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings<i>username\Application Data.
ssfPRINTHOOD 0x1b (27). File system directory that contains any link objects in the Printers virtual folder. A typical path is C:\Users<i>username\AppData\Roaming\Microsoft\Windows\Printer Shortcuts.
ssfLOCALAPPDATA 0x1c (28). Version 5.0. File system directory that serves as a data repository for local (non-roaming) applications. A typical path is C:\Users<i>username\AppData\Local.
ssfALTSTARTUP 0x1d (29). File system directory that corresponds to the user's non-localized Startup program group.
ssfCOMMONALTSTARTUP 0x1e (30). File system directory that corresponds to the non-localized Startup program group for all users. Valid only for Windows NT systems.
ssfCOMMONFAVORITES 0x1f (31). File system directory that serves as a common repository for the favorite URLs shared by all users. Valid only for Windows NT systems.
ssfINTERNETCACHE 0x20 (32). File system directory that serves as a common repository for temporary Internet files. A typical path is C:\Users<i>username\AppData\Local\Microsoft\Windows\Temporary Internet Files.
ssfCOOKIES 0x21 (33). File system directory that serves as a common repository for Internet cookies. A typical path is C:\Documents and Settings<i>username\Application Data\Microsoft\Windows\Cookies.
ssfHISTORY 0x22 (34). File system directory that serves as a common repository for Internet history items.
ssfCOMMONAPPDATA 0x23 (35). Version 5.0. Application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
ssfWINDOWS 0x24 (36). Version 5.0. Windows directory. This corresponds to the %windir% or %SystemRoot% environment variables. A typical path is C:\Windows.
ssfSYSTEM 0x25 (37). Version 5.0. The System folder. A typical path is C:\Windows\System32.
ssfPROGRAMFILES 0x26 (38). Version 5.0. Program Files folder. A typical path is C:\Program Files.
ssfMYPICTURES 0x27 (39). My Pictures folder. A typical path is C:\Users<i>username\Pictures.
ssfPROFILE 0x28 (40). Version 5.0. User's profile folder.
ssfSYSTEMx86 0x29 (41). Version 5.0. System folder. A typical path is C:\Windows\System32, or C:\Windows\Syswow32 on a 64-bit computer.
ssfPROGRAMFILESx86 0x30 (48). Version 6.0. Program Files folder. A typical path is C:\Program Files, or C:\Program Files (X86) on a 64-bit computer.
*/
sObj := ComObjCreate("Shell.Application")
sObj.Open( 0x12 ) ; ssfNETWORK = 0x12
return================================================================
.NET API 在这里 https://msdn.microsoft.com/en-us/library/system.environment.specialfolder(v=vs.110).aspx ，但目前还不会直接用AutoHotkey调用
SpecialFolders属性一共有那些呢？
AllUsersDesktop
AllUsersStartMenu
AllUsersPrograms
AllUsersStartup
Desktop
Favorites
Fonts
MyDocuments
NetHood
PrintHood
Programs
Recent
SendTo
StartMenu
Startup
Templates
