[#CMessageHeader-IsMessageTypeValid]
= xref:CMessageHeader.adoc[CMessageHeader]::IsMessageTypeValid
:relfileprefix: ../
:mrdocs:

Returns whether the message type field contains a valid, well&hyphen;formed value&period;

== Synopsis

Declared in `&lt;protocol&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsMessageTypeValid() const;
----

== Return Value

true if the message type field is valid and well&hyphen;formed&period;


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