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/DynaPDF/Encrypt existing PDF

Required plugins for this example: MBS DynaPDF Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/Encrypt existing PDF

This example is the version from Sat, 20th Apr 2012.

Project "Encrypt existing PDF.xojo_binary_project"
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() // some PDF dim InputFile as FolderItem = SpecialFolder.Desktop.Child("Input.pdf") dim EncryptedFile as FolderItem = SpecialFolder.Desktop.Child("Encrypted.pdf") dim DecryptedFile as FolderItem = SpecialFolder.Desktop.Child("Decrypted.pdf") EncryptedFile.Delete InputFile.CopyFileTo EncryptedFile dim pdf as new MyDynapdfMBS pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License if 0 = pdf.EncryptPDF(EncryptedFile, "user", "owner", pdf.kkl128bit, pdf.krsPrint) then MsgBox "OK" else EncryptedFile.Delete Return end if DecryptedFile.Delete EncryptedFile.CopyFileTo DecryptedFile // decrypt if 0 = pdf.DecryptPDF(DecryptedFile, pdf.kptOwner, "owner") then MsgBox "OK" else DecryptedFile.Delete Return end if quit End EventHandler
End Class
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer // output all messages on the console: System.DebugLog str(ErrorCode)+": "+ErrorMessage // and display dialog: Dim d as New MessageDialog //declare the MessageDialog object Dim b as MessageDialogButton //for handling the result d.icon=MessageDialog.GraphicCaution //display warning icon d.ActionButton.Caption="Continue" d.CancelButton.Visible=True //show the Cancel button // a warning or an error? if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then // if user decided to ignore, we'll ignore if IgnoreWarnings then Return 0 d.Message="A warning occurred while processing your PDF code." // we add a third button to display all warnings d.AlternateActionButton.Caption = "Ignore warnings" d.AlternateActionButton.Visible = true else d.Message="An error occurred while processing your PDF code." end if d.Explanation = str(ErrorCode)+": "+ErrorMessage b=d.ShowModal //display the dialog Select Case b //determine which button was pressed. Case d.ActionButton Return 0 // ignore Case d.AlternateActionButton IgnoreWarnings = true Return 0 // ignore Case d.CancelButton Return -1 // stop End select End EventHandler
Property IgnoreWarnings As Boolean
End Class
End Project

The items on this page are in the following plugins: MBS DynaPDF Plugin.

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