public HPDF_STATUS setPassword(
string ownerPasswd,
string userPasswd = null)
Sets a password for the document. If the password is set, document contents are encrypted
Parameters
| ownerPassword | The password for the owner of the document. The owner can change the permission of the document. null, zero length string, and the same value as user password are not allowed. |
| userPassword | The password for the user of the document. The userPassword may be set to null or zero length string. |