'Declaration Public Property MemberProvider As Func(Of Object,String)
public Func<object,string> MemberProvider {get; set;}
The MemberProvider defines a function or lambda expression which is used to obtain the header text for the associated hierarchical level.
This function or lambda expression has one input parameter, and returns a value of type string. The input parameter represents an instance of the class referenced by the data source's ItemType property; this instance represents the data row for which the member information is to be provided.
The default implementation returns the value of the property associated with the owning hierarchy for the specified instance.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2