Spire.Presentation API

PdfSecurity Encrypt Method (String, PdfPermissionsFlags)

To Encrypt the PDF document with permission password and permissions. Note:The Permission password can't be empty string.

Namespace: Spire.Presentation.External.Pdf
Assembly: Spire.Presentation (in Spire.Presentation.dll) Version: 10.4.2.0 (10.4.2.6046)

Syntax

public void Encrypt(
	string permissionPassword,
	PdfPermissionsFlags permissions
)

Public Sub Encrypt ( 
	permissionPassword As String,
	permissions As PdfPermissionsFlags
)

public:
void Encrypt(
	String^ permissionPassword, 
	PdfPermissionsFlags permissions
)

member Encrypt : 
permissionPassword : string * 
permissions : PdfPermissionsFlags -> unit

permissionPassword: Type: System String
The permission password
permissions: Type: Spire.Presentation.External.Pdf PdfPermissionsFlags
A set of flags specifying which operations are permitted when the document is opened with user access

PdfSecurity AddLanguageSpecificTextSet("LST52FDC35F_0?cpp=::|nu=."); Encrypt Method (String, PdfPermissionsFlags)