Search notes:

shell32.dll - SHHelpShortcuts_RunDLL

The undocumented Windows function SHHelpShortcuts_RunDLL (found in shell32.dll) can be used to open one of four special Windows settings or directories:

AddPrinter
PrintersFolder
FontsFolder	Opens the explorer in the fonts directory.
Connect	Opens the Map Network Drive dialog

This is demonstrated with the following C program:

#include <windows.h>

typedef void (WINAPI *funcPtr) (
   HWND      hwndParent,
   HINSTANCE unusedHinstance,
   LPCSTR    commandLine,
   int       unusedInt
);

#pragma warning(push)
#pragma warning(disable: 4100)
int WINAPI WinMain(
   HINSTANCE hInstance,
   HINSTANCE hPrevInstance,
   LPSTR     lpCmdLine,
   int       nShowCmd
) {
#pragma warning(pop)

   HMODULE hShell32 = LoadLibraryA("shell32.dll");

   if (! hShell32) {
      MessageBoxA(0, "Could not load shell32.dll", "Error", MB_OK | MB_ICONSTOP);
      ExitProcess(1);
   }

   funcPtr func = (funcPtr) GetProcAddress(hShell32, "SHHelpShortcuts_RunDLL");

   if (! func) {
      MessageBoxA(0, "Could not get pointer to SHHelpShortcuts_RunDLL", "Error", MB_OK | MB_ICONSTOP);
      ExitProcess(1);
   }

// func(0, 0, "AddPrinter"    , 0);
// func(0, 0, "PrintersFolder", 0);
// func(0, 0, "FontsFolder"   , 0);
   func(0, 0, "Connect"       , 0); // Map Network Drive

// func(0, 0, "Disconnect"    , 0); // Does not seem to work in Windows 10 anymore
}

Github repository Windows-Development, path: /shell32.dll/SHHelpShortcuts_RunDLL.c

Because SHHelpShortcuts_RunDLL matches the syntax of function that can be called with rundll32, these four setting-windows can also be opened in a Windows console (cmd.exe, PowerShell):

rundll32 shell32.dll,SHHelpShortcuts_RunDLL AddPrinter
rundll32 shell32.dll,SHHelpShortcuts_RunDLL PrintersFolder
rundll32 shell32.dll,SHHelpShortcuts_RunDLL FontsFolder
rundll32 shell32.dll,SHHelpShortcuts_RunDLL Connect

Index