A read-only property that returns True if the next receive will
return urgent data.
Syntax
object.AtMark
Remarks
This property can only be used if the Protocol is swProtocolTcp
and the InLine property has been set to True. Reading this property
is the same as using the SIOCATMARK option with the
ioctlsocket function.
Data Type
Boolean
See Also
Urgent Property,
OnRead Event
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