autoupgrader ProxyUsername property
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Applies to
auAutoUpgrader and auHTTP components as subproperty of Proxy structure.  

Declaration
property ProxyUsername: String;  

Description
The ProxyUsername property specifies the username required for connection via proxy server, if it's require secure authentication.  
 
tip Alternativaly you can write OnProxyAuthenticationRequest event handler and specify proxy username and password dynamically.  

Note
iiwarning If your proxy server uses some "challenge-response" authentication scheme — please make sure that ioKeepConnection option of the InternetOptions is set to True. Otherwise, connection with proxy could be dropped.  

See also
ProxyPassword and InternetOptions properties;  
OnProxyAuthenticationRequest event.