Important Update
Merge protected PDF documents (c++ clr) is easy to implement in C++ if you use these source codes below. ByteScout PDF Extractor SDK: the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction. It can merge protected PDF documents (c++ clr) in C++.
C++ code samples for C++ developers help to speed up coding of your application when using ByteScout PDF Extractor SDK. In your C++ project or application you may simply copy & paste the code and then run your app! Implementing C++ application typically includes multiple stages of the software development so even if the functionality works please test it with your data and the production environment.
Trial version of ByteScout PDF Extractor SDK can be downloaded for free from our website. It also includes source code samples for C++ and other programming languages.
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#include "stdafx.h"
//
// This example demonstrates how to provide password for protected PDF files.
//
using namespace System;
using Bytescout::PDFExtractor::DocumentMerger;
// `PasswordRequired` event handler
void OnPasswordRequired(System::Object ^sender, System::String ^document, System::String ^%password);
int main(array<System::String ^> ^args)
{
String^ input1(".\\encrypted1 (password is 'password').pdf");
String^ input2(".\\encrypted2 (password is 'password').pdf");
String^ output(".\\result.pdf");
// Create DocumentMerger instance
DocumentMerger^ merger = gcnew DocumentMerger("demo", "demo");
// Handle `PasswordRequired` event
merger->PasswordRequired += gcnew Bytescout::PDFExtractor::PasswordEventHandler(&OnPasswordRequired);
// Ignore document permissions
merger->CheckPermissions = false;
// Merge documents
array<String^>^ files = gcnew array<String^>(2) { input1, input2 };
merger->Merge(files, output);
delete merger;
// Open the output document in default associated application (for demonstration)
Diagnostics::Process::Start(output);
return 0;
}
// `PasswordRequired` event handler
void OnPasswordRequired(System::Object ^sender, System::String ^document, System::String ^%password)
{
// Ask user for password and put it to `Password` property.
password = "password";
}
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//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by app.rc
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#include "stdafx.h"
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#pragma once
// TODO: reference additional headers your program requires here
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60 Day Free Trial or Visit ByteScout PDF Extractor SDK Home Page
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Explore Web API Samples
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