InfoConnect for Airlines VBA Guide
TelnetAttn Property
Gets or sets a value that specifies what happens when you transmit the ATTN host key (the default keystroke for this function is CTRL+F1).

Property Value

The default value is TelnetBreak, which sends a Telnet break to the host.
Attachmate.Reflection.SecuredSettingException This exception is thrown when you modify a property that was secured via the Permissions Manager, or that can only be modified by an Administrator.
The definition of this key and its values vary by host application. This property is only relevant for 3270 Telnet sessions.
See Also