https://learn.microsoft.com/en-us/windows/win32/api/shldisp/nf-shldisp-ishellfolderviewdual-get_focuseditem
IShellFolderViewDual::get_FocusedItem (shldisp.h) - Win32 apps | Microsoft Learn
Gets the FolderItem object that represents the item that has input focus.
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