Windows CE provides font linking capability, making it possible to link one or more fonts, called linked fonts, to another font, called the base font. Once you link fonts, you can use the base font to display code points that do not exist in the base font, but do exist in one of the linked fonts. For example, linking a Hangeul font and a Japanese font to a Latin font gives you the ability to display both Korean and Japanese language in the Latin font using the Unicode text API.
Note Font linking can only add glyphs to a base font; it is not possible to override or replace glyphs in the base font.
If font linking is enabled on your device, you can examine the registry by enumerating the subkeys of the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FontLink\SystemLink to determine the mappings of linked fonts to base fonts. You can add additional linkings by creating additional subkeys. The following code example shows how to add an additional linking.
"base font face name" = "path and file to link to," "face name of the font to link"