توقيع

1  
2// Create SignOptions object to set instructions  
3var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");  
4// Add input file path  
5options.AddInput(new FileData("path_to_your_pdf_file.pdf"));  
6// Set output file path  
7options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));  
8// Perform the process  
9PdfSecurity.Sign(options);  

1  
2using var pfxStream = File.OpenRead(@"path_to_your_pfx_file.pfx");  
3var options = new SignOptions(pfxStream, "password_of_your_pfx_file");  
4options.AddInput(new FileData("path_to_your_pdf_file.pdf"));  
5options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));  
6// Perform the process  
7PdfSecurity.Sign(options);  

1  
2var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");  
3options.AddInput(new FileData("path_to_your_pdf_file.pdf"));  
4options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));  
5// Configure invisible signature  
6signOptions.Visible = false;  
7// Perform the process  
8PdfSecurity.Sign(options);  

 1  
 2// Create SignOptions object to set instructions  
 3var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");  
 4// Add input file path  
 5options.AddInput(new FileData("path_to_your_pdf_file.pdf"));  
 6// Set output file path  
 7options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));  
 8// Optional parameters  
 9options.Reason = "my Reason";  
10options.Contact = "my Contact";  
11options.Location = "my Location";  
12options.PageNumber = 3;  
13// Perform the process  
14PdfSecurity.Sign(options);  

 1  
 2var tOptions = new TimestampOptions("server_url");  
 3// Create SignOptions object to set Timestamp  
 4var options = new SignOptions(new TimestampOptions(tOptions));  
 5// Add input file path  
 6options.AddInput(new FileData("path_to_your_pdf_file.pdf"));  
 7// Set output file path  
 8options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));  
 9// Perform the process  
10PdfSecurity.Sign(options);  

1  
2// Configure the timestamping options with authentication  
3var tOptions = new TimestampOptions("timestamp_server_url", "username:password");