Important Update
The sample source codes on this page shows how to merge protected PDF documents (c++ clr) with PDF extractor SDK in C++. Want to merge protected PDF documents (c++ clr) with PDF extractor SDK in your C++ app? ByteScout Premium Suite is designed for it. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.
Want to save time? You will save a lot of time on writing and testing code as you may just take the C++ code from ByteScout Premium Suite for merge protected PDF documents (c++ clr) with PDF extractor SDK below and use it in your application. Simply copy and paste in your C++ project or application you and then run your app! If you want to use these C++ sample examples in one or many applications then they can be used easily.
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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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