共用方式為


RightsManagementInformation.SaveUseLicense(ContentUser, UseLicense) 方法

定義

將指定之使用者的指定 UseLicense 儲存到加密版權管理資料流。

public:
 void SaveUseLicense(System::Security::RightsManagement::ContentUser ^ userKey, System::Security::RightsManagement::UseLicense ^ useLicense);
public void SaveUseLicense (System.Security.RightsManagement.ContentUser userKey, System.Security.RightsManagement.UseLicense useLicense);
member this.SaveUseLicense : System.Security.RightsManagement.ContentUser * System.Security.RightsManagement.UseLicense -> unit
Public Sub SaveUseLicense (userKey As ContentUser, useLicense As UseLicense)

參數

userKey
ContentUser

UseLicense 的使用者。

useLicense
UseLicense

要儲存及內嵌在封裝中的使用授權。

例外狀況

userKeyuseLicense 參數為 null

這個類別目前的版本不能讀取本套件中的版權管理資訊。

範例

下列範例示範如何使用 SaveUseLicense 方法。

WriteStatus("   Signing the UnsignedPublishLicense\n" +
            "       to build the PublishLicense.");
UseLicense authorsUseLicense;
PublishLicense publishLicense =
    unsignedLicense.Sign(_secureEnv, out authorsUseLicense);

WriteStatus("   Binding the author's UseLicense and");
WriteStatus("       obtaining the CryptoProvider.");
CryptoProvider cryptoProvider = authorsUseLicense.Bind(_secureEnv);

WriteStatus("   Creating the EncryptedPackage.");
Stream packageStream = File.OpenRead(packageFile);
EncryptedPackageEnvelope ePackage =
    EncryptedPackageEnvelope.CreateFromPackage(encryptedFile,
        packageStream, publishLicense, cryptoProvider);

WriteStatus("   Adding an author's UseLicense.");
RightsManagementInformation rmi =
    ePackage.RightsManagementInformation;
rmi.SaveUseLicense(author, authorsUseLicense);

ePackage.Close();
WriteStatus("   Done - Package encryption complete.");

WriteStatus("Verifying package encryption.");
if (EncryptedPackageEnvelope.IsEncryptedPackageEnvelope(encryptedFile))
{
    WriteStatus("   Confirmed - '" + encryptedFilename +
                "' is encrypted.");
}
else
{
    MessageBox.Show("ERROR: '" + encryptedFilename +
        "' is NOT ENCRYPTED.", "Encryption Error",
        MessageBoxButton.OK, MessageBoxImage.Error);
    WriteStatus("ERROR: '" + encryptedFilename +
                "' is NOT ENCRYPTED.\n");
    return false;
}
WriteStatus("   Signing the UnsignedPublishLicense" & vbLf & "       to build the PublishLicense.")
Dim authorsUseLicense As UseLicense = Nothing
Dim publishLicense As PublishLicense = unsignedLicense.Sign(_secureEnv, authorsUseLicense)

WriteStatus("   Binding the author's UseLicense and")
WriteStatus("       obtaining the CryptoProvider.")
Dim cryptoProvider As CryptoProvider = authorsUseLicense.Bind(_secureEnv)

WriteStatus("   Creating the EncryptedPackage.")
Dim packageStream As Stream = File.OpenRead(packageFile)
Dim ePackage As EncryptedPackageEnvelope = EncryptedPackageEnvelope.CreateFromPackage(encryptedFile, packageStream, publishLicense, cryptoProvider)

WriteStatus("   Adding an author's UseLicense.")
Dim rmi As RightsManagementInformation = ePackage.RightsManagementInformation
rmi.SaveUseLicense(author, authorsUseLicense)

ePackage.Close()
WriteStatus("   Done - Package encryption complete.")

WriteStatus("Verifying package encryption.")
If EncryptedPackageEnvelope.IsEncryptedPackageEnvelope(encryptedFile) Then
    WriteStatus("   Confirmed - '" & encryptedFilename & "' is encrypted.")
Else
    MessageBox.Show("ERROR: '" & encryptedFilename & "' is NOT ENCRYPTED.", "Encryption Error", MessageBoxButton.OK, MessageBoxImage.Error)
    WriteStatus("ERROR: '" & encryptedFilename & "' is NOT ENCRYPTED." & vbLf)
    Return False
End If

備註

UseLicense儲存指定用戶的 之後,就可以透過 LoadUseLicense 方法從 傳回GetEmbeddedUseLicenses的集合中擷取。

Package可以儲存UseLicense多個內容使用者的許可權資訊。 每個 ContentUser 最多可以有一個 UseLicense。 如果SaveUseLicense呼叫 以儲存已經有 UseLicense的新 UseLicenseContentUser ,則會以新的授權覆寫先前的授權。

適用於

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