Explore como modificar a senha de um documento PDF em .NET para melhorar a segurança do arquivo com Aspose.PDF....PdfFileInfo ( dataDir + "sample_encrypted.pdf" )) { // Create PdfFileSecurity...object if the document is encrypted if ( pdfFileInfo . IsEncrypted...
使用 C# 通过不同的加密类型和算法加密 PDF 文件。同时,使用所有者密码解密 PDF 文件。...,将此对象作为参数传递给 Document 对象的 Encrypt 方法。以下代码片段演示了如何设置 PDF 文件的权限。...AllowScreenReaders = true ; // Encrypt the file with User and Owner...
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