Platforms to show: All Mac Windows Linux Cross-Platform
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"
FileTypes
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.
