ImmIsUIMessage

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
  1. alias ImmIsUIMessage = ImmIsUIMessageW
    version(Unicode)
    @system extern (Windows)
    alias ImmIsUIMessage = ImmIsUIMessageW
  2. alias ImmIsUIMessage = ImmIsUIMessageA

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