IKeymanKeyboardLanguageInstalled interface lists a Windows language associated with a keyboard in Keyman Engine for Windows API,
or a suggested language available for installation for the keyboard.
- Returns the keyboard associated with the language.
- Returns the profile GUID associated with the Text Services Framework (TSF) Text Input Processor (TIP) installed
for this keyboard, for this language, or
GUID_NULLif the language is not currently installed.
TRUEif the language is currently installed for this keyboard.