Use the Bold, Italic, Underline and StrikeOut properties to apply different font attributes to the group. Use the Caption property to display different parts of the caption using HTML format. Use the Font property to specify the control's font. Use the Underline property to underline an item.

The following VB sample underlines all groups:

Private Sub ListBar1_AddGroup(ByVal Group As EXLISTBARLibCtl.IGroup)
    With Group
        .Underline = True
    End With
End Sub

The following C++ sample underlines all groups:

void OnAddGroupListbar1(LPDISPATCH Group) 
{
	CGroup group( Group ); group.m_bAutoRelease = FALSE;
	group.SetUnderline( TRUE );
}

The following VB.NET sample underlines all groups:

Private Sub AxListBar1_AddGroup(ByVal sender As System.Object, ByVal e As AxEXLISTBARLib._IListBarEvents_AddGroupEvent) Handles AxListBar1.AddGroup
    With e.group
        .Underline = True
    End With
End Sub

The following C# sample underlines all groups:

private void axListBar1_AddGroup(object sender, AxEXLISTBARLib._IListBarEvents_AddGroupEvent e)
{
	e.group.Underline = true;
}

The following VFP sample underlines all groups:

*** ActiveX Control Event ***
LPARAMETERS group

with group
	.Underline = .t.
endwith