Creating context menu items for Windows 7 e.g. Scan With

Although this is a little broad how is it possible to create a context menu item that a selected file can be used against e.g. like antiviruses to "Sc开发者_运维知识库an this file with xxxxxx"

I have a registry file below, although it only lets me simply launch the file

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\Scan with...]
"Icon"="C:\\app.exe"

[HKEY_CLASSES_ROOT\Directory\Background\shell\Scan with...\command]
@="C:\\app.exe"

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The articles linker will give you a good overview of the options and how to achieve them:

http://msdn.microsoft.com/en-us/library/cc144169(VS.85).aspx

Martyn