代码说明： Shell Extension Component (TShellExt). Component for determination of the information associated with file extensions (its executable application, icons (32x32 and 16x16), description) and/or for installing/ uninstalling of the file extensions to the OS. This component works with extensions through the system registry, because standard routines is undocumented in WinAPI32 reference. EXE-demo available to download from homepage.

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