public static void Encrypt(
	PdfReader reader,
	Stream os,
	bool strength,
	string userPassword,
	string ownerPassword,
	int permissions
)

Public Shared Sub Encrypt ( _
	reader As PdfReader, _
	os As Stream, _
	strength As Boolean, _
	userPassword As String, _
	ownerPassword As String, _
	permissions As Integer _
)

public:
static void Encrypt(
	PdfReader^ reader, 
	Stream^ os, 
	bool strength, 
	String^ userPassword, 
	String^ ownerPassword, 
	int permissions
)