本文整理汇总了VB.NET中System.IO.Packaging.PackageDigitalSignatureManager.IsSigned属性的典型用法代码示例。如果您正苦于以下问题：VB.NET PackageDigitalSignatureManager.IsSigned属性的具体用法？VB.NET PackageDigitalSignatureManager.IsSigned怎么用？VB.NET PackageDigitalSignatureManager.IsSigned使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。
在下文中一共展示了PackageDigitalSignatureManager.IsSigned属性的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: ValidateSignatures
' ------------------------ ValidateSignatures ------------------------
''' <summary>
''' Validates all the digital signatures of a given package.</summary>
''' <param name="package">
''' The package for validating digital signatures.</param>
''' <returns>
''' true if all digital signatures are valid; otherwise false if the
''' package is unsigned or any of the signatures are invalid.</returns>
Private Shared Function ValidateSignatures(ByVal package As Package) As Boolean
If package Is Nothing Then
Throw New ArgumentNullException("ValidateSignatures(package)")
End If
' Create a PackageDigitalSignatureManager for the given Package.
Dim dsm As New PackageDigitalSignatureManager(package)
' Check to see if the package contains any signatures.
If Not dsm.IsSigned Then
Return False
End If
' The package is not signed.
' Verify that all signatures are valid.
Dim result As VerifyResult = dsm.VerifySignatures(False)
If result <> VerifyResult.Success Then
Return False
End If
' One or more digital signatures are invalid.
' else if (result == VerifyResult.Success)
' All signatures are valid.
Return True
End Function
' end:ValidateSignatures()