Adds a discussion board to a given folder. Accepts name, title, and other parameters. Returns numeric ID of the new discussion board. 

This method can be accessed through the ThreadedDiscussion.asmx file located in:

~/Workarea/webservices/WebServiceAPI/Content/ThreadedDiscussion.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "AddBoard", Description = "")]
public long AddBoard(long ParentID, string Name, string Title, bool RequiresAuthentication, string StyleSheet, string[] Categories);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "AddBoard", Description = "")>
Public Function AddBoard(ParentID As long, Name As string, Title As string, RequiresAuthentication As bool, StyleSheet As string, Categories As string[]) As long