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   Collapse AllThis property gets or sets the password for view protection of the PDF document.
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| BSTR UserPassword { get; set; } |
Value
String containing the password
Remarks
UserPassword contains a password for the current PDF document. The password is required to view an encrypted PDF file.
Example
Protecting a PDF Document
Delphi
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{ PDF object is supposed to be created }
PDF.ShowText('Here is my secret text.');
PDF.OwnerPassword := '!2C4e';
PDF.UserPassword := '12345';
PDF.DocumentEncryption := el128bitRC4;
{ set permissions }
PDF.AllowChangeDocument := DisallowChanges;
PDF.AllowCopyContent := DisallowCopy;
PDF.AllowPrintDocument := DisallowPrint;
{ all this could be set in one line: }
{ PDF.SetSecurityFlagsRaw($FFFFF0C0); }
{ Now our document is protected }
PDF.SaveToFile('test.pdf', true);
C/C++
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// PDF object is supposed to be created
PDF->ShowText("Here is my secret text.");
PDF->OwnerPassword = "!2C4e";
PDF->UserPassword = "12345";
PDF->DocumentEncryption = el128bitRC4;
// set permissions
PDF->AllowChangeDocument = DisallowChanges;
PDF->AllowCopyContent = DisallowCopy;
PDF->AllowPrintDocument = DisallowPrint;
//all this could be set in one line:
//PDF.SetSecurityFlagsRaw(0xFFFFF0C0);
// Now our document is protected
PDF->SaveToFile("test.pdf", true);
C#
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// PDF object is supposed to be created
PDF.ShowText("Here is my secret text.");
PDF.OwnerPassword = "!2C4e";
PDF.UserPassword = "12345";
PDF.DocumentEncryption = EncryptionLevel.el128bitRC4;
// set permissions
PDF.AllowChangeDocument = AllowedChanges.DisallowChanges;
PDF.AllowCopyContent = AllowedCopyLevel.DisallowCopy;
PDF.AllowPrintDocument = AllowedPrintQuality.DisallowPrint;
//all this could be set in one line:
//PDF.SetSecurityFlagsRaw(0xFFFFF0C0);
// Now our document is protected
PDF.SaveToFile("test.pdf", true);
Visual Basic
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' PDF object is supposed to be created PDF.ShowText "Here is my secret text." PDF.OwnerPassword = "!2C4e" PDF.UserPassword = "12345" PDF.DocumentEncryption = 1 ' EncryptionLevel.el128bitRC4 ' set permissions PDF.AllowChangeDocument = 0 ' AllowedChanges.DisallowChanges PDF.AllowCopyContent = 0 ' AllowedCopyLevel.DisallowCopy PDF.AllowPrintDocument = 0 'AllowedPrintQuality.DisallowPrint 'all this could be set in one line: 'PDF.SetSecurityFlagsRaw(&HFFFFF0C0); ' Now our document is protected PDF.SaveToFile "test.pdf", true
See Also