static void Main(string[] args)
{
const int SAPI_OK = 0;
int rc;
SAPICrypt SAPI = new SAPICrypt();
SESHandle sesHandle = null;
// Custom Values
string filePath = @"c:\temp\demo.pdf"; // PDF file to sign
string username = "******"; // DSA account username
string password = "******"; // DSA account password
string domain = null; // DSA account domain
int sigPageNum = 1; // Create signature on the first page
int sigX = 145; // Signature field X location
int sigY = 125; // Signature field Y location
int sigWidth = 160; // Signature field width
int sigHeight = 45; // Signature field height
string timeFormat = "hh:mm:ss"; // Time appearance format mask
string dateFormat = "dd/MM/yyyy"; // Date appearance format mask
int appearanceMask = (int)SAPI_ENUM_DRAWING_ELEMENT.SAPI_ENUM_DRAWING_ELEMENT_GRAPHICAL_IMAGE | // Elements to display on the signature field
(int)SAPI_ENUM_DRAWING_ELEMENT.SAPI_ENUM_DRAWING_ELEMENT_SIGNED_BY |
(int)SAPI_ENUM_DRAWING_ELEMENT.SAPI_ENUM_DRAWING_ELEMENT_TIME;
try
{
// Initialize SAPI library
if ((rc = SAPI.Init()) != SAPI_OK)
{
throw new Exception(string.Format("Failed to initialize SAPI ({0})", rc.ToString("X")));
}
// Acquire SAPI session handle
if ((rc = SAPI.HandleAcquire(out sesHandle)) != SAPI_OK)
{
throw new Exception(string.Format("Failed in SAPIHandleAcquire() ({0})", rc.ToString("X")));
}
// Personalize SAPI Session
if ((rc = SAPI.Logon(sesHandle, username, domain, password)) != SAPI_OK)
{
throw new Exception(string.Format("Failed to authenticate user ({0})", rc.ToString("X")));
}
SigFieldSettings SFS = new SigFieldSettings();
TimeFormat TF = new TimeFormat();
// Define signature field settings
SFS.Page = sigPageNum;
SFS.X = sigX;
SFS.Y = sigY;
SFS.Width = sigWidth;
SFS.Height = sigHeight;
SFS.AppearanceMask = appearanceMask;
SFS.SignatureType = SAPI_ENUM_SIGNATURE_TYPE.SAPI_ENUM_SIGNATURE_DIGITAL;
SFS.DependencyMode = SAPI_ENUM_DEPENDENCY_MODE.SAPI_ENUM_DEPENDENCY_MODE_INDEPENDENT;
TF.DateFormat = dateFormat;
TF.TimeFormat = timeFormat;
TF.ExtTimeFormat = SAPI_ENUM_EXTENDED_TIME_FORMAT.SAPI_ENUM_EXTENDED_TIME_FORMAT_GMT; // Display GMT offset
SFS.TimeFormat = TF;
// Create and sign a new signature field in the document
if (SAPI_OK != (rc = SAPI.SignatureFieldCreateSign(
sesHandle, // Session Handle
SAPI_ENUM_FILE_TYPE.SAPI_ENUM_FILE_ADOBE, // Type of the file to sign - PDF
filePath, // Path to PDF file to sign
SFS, // Signature Field details
0, // Flags
null))) // Credentials (only if prompt-for-sign feature is enabled)
{
throw new Exception(string.Format("Failed in SAPISignatureFieldCreateSign() ({0})", rc.ToString("X")));
}
Console.WriteLine("The document has been successfully signed!");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
if (sesHandle != null)
{
SAPI.Logoff(sesHandle); // Release user context
SAPI.HandleRelease(sesHandle); // Release session handle
}
}
}