【函数】调出文件夹选择对话框

SelectFolder := SelectFolderEx( A_Desktop, "标题栏名称" , 0, "选择文件夹按钮名称" )

Msgbox % SelectFolder

SelectFolderEx(StartingFolder := "", Prompt := "", OwnerHwnd := 0, OkBtnLabel := "") {
   Static OsVersion := DllCall("GetVersion", "UChar")
        , IID_IShellItem := 0
        , InitIID := VarSetCapacity(IID_IShellItem, 16, 0)
                  & DllCall("Ole32.dll\IIDFromString", "WStr", "{43826d1e-e718-42ee-bc55-a1e261c37bfe}", "Ptr", &IID_IShellItem)
        , Show := A_PtrSize * 3
        , SetOptions := A_PtrSize * 9
        , SetFolder := A_PtrSize * 12
        , SetTitle := A_PtrSize * 17
        , SetOkButtonLabel := A_PtrSize * 18
        , GetResult := A_PtrSize * 20
   SelectedFolder := ""
   If (OsVersion < 6) { ; Vista+系统以下, 则恢复使用FileSelectFolder
      FileSelectFolder, SelectedFolder, *%StartingFolder%, 3, %Prompt%
      Return SelectedFolder
   }
   OwnerHwnd := DllCall("IsWindow", "Ptr", OwnerHwnd, "UInt") ? OwnerHwnd : 0
   If !(FileDialog := ComObjCreate("{DC1C5A9C-E88A-4dde-A5A1-60F82A20AEF7}", "{42f85136-db7e-439c-85f1-e4075d135fc8}"))
      Return ""
   VTBL := NumGet(FileDialog + 0, "UPtr")
   ; FOS_CREATEPROMPT | FOS_NOCHANGEDIR | FOS_PICKFOLDERS
   DllCall(NumGet(VTBL + SetOptions, "UPtr"), "Ptr", FileDialog, "UInt", 0x00002028, "UInt")
   If (StartingFolder <> "")
      If !DllCall("Shell32.dll\SHCreateItemFromParsingName", "WStr", StartingFolder, "Ptr", 0, "Ptr", &IID_IShellItem, "PtrP", FolderItem)
         DllCall(NumGet(VTBL + SetFolder, "UPtr"), "Ptr", FileDialog, "Ptr", FolderItem, "UInt")
   If (Prompt <> "")
      DllCall(NumGet(VTBL + SetTitle, "UPtr"), "Ptr", FileDialog, "WStr", Prompt, "UInt")
   If (OkBtnLabel <> "")
      DllCall(NumGet(VTBL + SetOkButtonLabel, "UPtr"), "Ptr", FileDialog, "WStr", OkBtnLabel, "UInt")
   If !DllCall(NumGet(VTBL + Show, "UPtr"), "Ptr", FileDialog, "Ptr", OwnerHwnd, "UInt") {
      If !DllCall(NumGet(VTBL + GetResult, "UPtr"), "Ptr", FileDialog, "PtrP", ShellItem, "UInt") {
         GetDisplayName := NumGet(NumGet(ShellItem + 0, "UPtr"), A_PtrSize * 5, "UPtr")
         If !DllCall(GetDisplayName, "Ptr", ShellItem, "UInt", 0x80028000, "PtrP", StrPtr) ; SIGDN_DESKTOPABSOLUTEPARSING
            SelectedFolder := StrGet(StrPtr, "UTF-16"), DllCall("Ole32.dll\CoTaskMemFree", "Ptr", StrPtr)
         ObjRelease(ShellItem)
   }  }
   If (FolderItem)
      ObjRelease(FolderItem)
   ObjRelease(FileDialog)
   Return SelectedFolder
}