HasFlag()

HasFlag() 方法可用于检查是否设置了标志。

Module Module1

    <Flags>
    Enum Material
        Wood = 1
        Plastic = 2
        Metal = 4
        Stone = 8
    End Enum

    Sub Main()
        Dim houseMaterials As Material = Material.Wood Or Material.Stone

        If houseMaterials.HasFlag(Material.Stone) Then
            Console.WriteLine("the house is made of stone")
        Else
            Console.WriteLine("the house is not made of stone")
        End If
    End Sub

End Module

有关 Flags 属性及其使用方式的更多信息，请参阅 Microsoft 官方文档 。