Windows Shell Extensions

From FlutterbyNet

random links

• MSDN Creating Icon Handlers
• The Code Project: Create Thumbnail Extractor objects for your MFC document types
• MSDN: Creating Shell Extension handlers for Windows

associating the extension

Create a key HKEY_CLASSES_ROOT/.ext with value "Extension Class Name"

Create a key "HKEY_CLASSES_ROOT/Extension Class Name/ShellEx/{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}" with the GUID of the class with IPersistFile and IExtractImage interfaces.