[#Transport-MarkBytesSent]
= xref:Transport.adoc[Transport]::MarkBytesSent
:relfileprefix: ../
:mrdocs:

Report how many bytes returned by the last GetBytesToSend() have been sent&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
MarkBytesSent(size&lowbar;t bytes&lowbar;sent) noexcept = 0;
----

== Description

bytes&lowbar;sent cannot exceed to&lowbar;send&period;size() of the last GetBytesToSend() result&period;

If bytes&lowbar;sent&equals;0, this call has no effect&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bytes&lowbar;sent* [in]
| number of bytes actually written to the wire&period;
|===


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