fd3fa0cf_essageBox_Object_documentation__Property_Description
[Property] HyperLink [Type] cstring(255) [Property Description] 
This is the string to place in the HyperActive control string on the MessageBox window. If this string is clear, then the HyperActive control string is hidden. You must have added the necessary HyperActive control templates into your application in order to use this feature.
Capesoft MessageBox Object documentation
Property Description