Retrieves a list of the most popular community groups up to the number entered in the maxResults property. The popularity of a community group is determined by how many members belong to the group. 

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

~/Workarea/webservices/WebServiceAPI/Community/CommunityGroup.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetMostPopularCommunityGroups", Description = "Retrieves the most popular community groups.")]
public CommunityGroupData[] GetMostPopularCommunityGroups(int maxResults);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetMostPopularCommunityGroups", Description = "Retrieves the most popular community groups.")>
Public Function GetMostPopularCommunityGroups(maxResults As Integer) As CommunityGroupData()