XHtmlOptions LogonPassword Property. A password to be used for authentication. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page LogonPassword Property Type Default Value Read Only Description [C#] string [Visual Basic] String "" No A password to be used for authentication. Notes This property determines the authentication password to be used when accessing secured web sites. For example you might set this property to "stevespassword" to authenticate as Steve when accessing a particular web site. This property needs to be used in conjunction with the LogonName property. Example See the LogonName property. previous page start next page