|  | Multipart | 
 Syntax
Syntaxpublic static MultipartSigned Create( CmsSigner signer, MimeEntity entity, CancellationToken cancellationToken = default )
 Exceptions
Exceptions| Exception | Condition | 
|---|---|
| ArgumentNullException | signer is . -or- entity is . | 
| NotSupportedException | A cryptography context suitable for signing could not be found. | 
| ObjectDisposedException | entity has been disposed. | 
| OperationCanceledException | The operation was canceled via the cancellation token. | 
| CmsException | An error occurred in the cryptographic message syntax subsystem. | 
 Remarks
Remarks See Also
See Also