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VB.NET IPermission.Union方法代码示例

本文整理汇总了VB.NET中System.Security.IPermission.Union方法的典型用法代码示例。如果您正苦于以下问题:VB.NET IPermission.Union方法的具体用法?VB.NET IPermission.Union怎么用?VB.NET IPermission.Union使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Security.IPermission的用法示例。


在下文中一共展示了IPermission.Union方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: Union

' Return a new object that contains the union of 'this' and 'target'.
' Note: You do not have to implement this method. If you do not, the version
' in CodeAccessPermission does this:
'    1. If target is not null, a NotSupportedException is thrown.
'    2. If target is null, then Copy is called and the new object is returned.
Public Overrides Function Union(ByVal target As IPermission) As IPermission
    ' If 'target' is null, then return a copy of 'this'.
    If target Is Nothing Then
        Return Copy()
    End If
    ' Both objects must be the same type.
    Dim soundPerm As SoundPermission = VerifyTypeMatch(target)

    ' If 'this' or 'target' are unrestricted, return a new unrestricted permission.
    If m_specifiedAsUnrestricted OrElse soundPerm.m_specifiedAsUnrestricted Then
        Return Clone(True, SoundPermissionState.PlayAnySound)
    End If
    ' Return a new object with the calculated, unioned permission value.
    Return Clone(False, CType(Math.Max(CType(m_flags, Int32), CType(soundPerm.m_flags, Int32)), SoundPermissionState))

End Function 'Union
开发者ID:VB.NET开发者,项目名称:System.Security,代码行数:21,代码来源:IPermission.Union


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