Secured PDF file requires a password to open, edit, or remove the restricted operation. Syncfusion Essential PDF is a used to create, read, and edit PDF documents. Using this library, you can open secured PDF file using password in C# and VB.NET.
Steps to open secured PDF programmatically:
By executing the program, you will get the PDF document’s security settings as follows.
Take a moment to peruse the , where you will find other options like opening a corrupted PDF document, opening an existing document from stream, opening an existing document from byte array, saving a PDF document to stream, saving a PDF document to same file or stream and features like , and with code examples.
Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to to learn about generating and registering Syncfusion license key in your application to use the components without trail message.
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