MsiGetShortcutTarget

[DllImport("msi.dll", CharSet = CharSet.Auto)]
public static extern int MsiGetShortcutTarget(
   [MarshalAs(UnmanagedType.LPTStr)] string szShortcutTarget,
   [MarshalAs(UnmanagedType.LPTStr)] StringBuilder szProductCode,
   [MarshalAs(UnmanagedType.LPTStr)] StringBuilder szFeatureId,
   [MarshalAs(UnmanagedType.LPTStr)] StringBuilder szComponentCode
);

Microsoft documentation: Link