OpenWithMenu

• A Windows extension which is used to open applications quickly through context menu.

Environment

• Visual Studio 2019 (msvc2019)
• Windows 10 21H2 x64

Build and Register

1. Use Visual Studio to build x64 OpenWithMenu.dll
2. Open cmd as administrator and register

Register.bat
# or
regsvr32 x64\Release\OpenWithMenu.dll

3. Setup registry for background's context menu
   • Note that CLSID is set in OpenWithMenu.idl and OpenWithMenuImpl.rgs

Register.reg

# [HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\OpenWithMenu]
# @="{33f3c901-789f-4e96-82d5-32b1cb204b40}"

Unregister

1. Open cmd as administrator and unregister

Unregister.bat
# or
regsvr32 /u x64\Release\OpenWithMenu.dll

2. Remove background's context menu through registry

Unregister.reg

# [-HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\OpenWithMenu]

Configure

• Configurations are saved in registry HKEY_CURRENT_USER\SOFTWARE\AoiHosizora\OpenWithMenu.
• Note that you need to make sure that regjump.exe can be found in PATH, which is used for registry redirecting. Please visit https://docs.microsoft.com/en-us/sysinternals/downloads/regjump for details.

; Use DemoMenu.reg to add demo menu

[HKEY_CURRENT_USER\SOFTWARE\AoiHosizora\OpenWithMenu]
"Name"="Open folder with"
"SettingName"="Setting"

[HKEY_CURRENT_USER\SOFTWARE\AoiHosizora\OpenWithMenu\01 cmd]
@="Command prompt"
"File"="cmd.exe"
"Icon"="cmd.exe"

[HKEY_CURRENT_USER\SOFTWARE\AoiHosizora\OpenWithMenu\02 cmd admin]
@="Command prompt (Admin)"
"File"="cmd.exe"
"Icon"="cmd.exe"
"Operation"="runas"
"Parameter"="/s /k pushd \"%V\""

Root key

• Name - Menu title, defaults to Open folder with
• Icon - Menu icon, supports both exe and ico path
• SettingName - Setting menu title, defaults to Setting

Sub key

• Note that only those menu items which has non empty @ and File will be shown.
• Some of theme arguments have the same meaning of ShellExecuteW, see ShellExecuteW function (shellapi.h).

• key name - Menu ID, required, items will be sorted by this value
• @ - Menu title, required
• File - Executable file path, required
• Icon - Menu icon, supports both exe and ico path
• Operation - Execute operation, defaults to open, it can be set to runas to execute as administrator
  • Execute with open operation usually can detect the current path, but runas cannot, so it need to use Parameter: %V
  • Command prompt example: File: cmd.exe; Operation: runas; Parameter: /s /k pushd "%V"
  • Powershell example: File: powershell.exe; Operation: runas; Parameter: -noexit -command Set-Location -literalPath '%V'
• Parameter - Execute parameter, optional, and note that %V means the current path
  • Example for executing ping command: File: cmd.exe; Parameter: /c ping www.google.co.jp
• Directory - Working directory to execute file, defaults to %V
• Style - Window style to execute file, defaults to SW_NORMAL, it can be set to SW_HIDE or 0 to hide window

Screenshots

References

• メニューにアイコンを付ける
• Icon Extractor Shell Extension
• Visual C++ 文字列 まとめ
• Windows レジストリ 解剖記
• ShellExecuteW function (shellapi.h)