public string GroupName { get; set; }

Public Property GroupName As String
	Get
	Set

public:
property String^ GroupName {
	String^ get ();
	void set (String^ value);
}

The GroupName is used to group the items and also appears in the group header. All ComboBoxMembers assigned to the same group will be grouped in the ComboBox. There will be a header that shows the name. The default value is nullNothingnullptra null reference (Nothing in Visual Basic).