mark 任意添加菜单
Dim C1Ribbon1 As C1Ribbon.C1Ribbon = Ctype(BaseMainForm.controls("C1Ribbon1"),C1Ribbon.C1Ribbon )
Dim a As New Windows.Forms.Label
a.Text = "123456789"
a.Font = new font("宋体", 20)
a.backColor = color.red
Dim b As New C1Ribbon.RibbonControlHost(a)
b.name = "自定义项1"
b.width = 300
C1Ribbon1.tabs("111").Groups("222").Items.Add(b)