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Current Path: /opt/alt/libharu/usr/share/libharu/bindings/vb.net/demo

opt / alt / libharu / usr / share / libharu / bindings / vb.net / demo /

?? ..
?? Encryption.vb(1.17 KB)
?? FontDemo.vb(2.75 KB)
?? ImageDemo.vb(5.03 KB)
?? LineDemo.vb(8.86 KB)
?? OutlineDemo.vb(2.45 KB)
?? Permission.vb(1.35 KB)
?? RawImageDemo.vb(2.92 KB)
?? SlideShowDemo.vb(5.13 KB)
?? TextDemo.vb(9.46 KB)

Editing: Permission.vb

Imports HPdf

Module Permission

Sub Main()
        Const owner_passwd As String = "owner"
        Const user_passwd As String = ""
        Const text As String = "User cannot print and copy this document."
        Console.WriteLine("libhpdf-" + HPdfDoc.HPdfGetVersion())

Try
            Dim pdf As HPdfDoc = New HPdfDoc()

' create default-font 
            Dim font As HPdfFont = pdf.GetFont("Helvetica", Nothing)

' add a new page object. 
            Dim page As HPdfPage = pdf.AddPage()

page.SetSize(HPdfPageSizes.HPDF_PAGE_SIZE_B5, HPdfPageDirection.HPDF_PAGE_LANDSCAPE)

page.BeginText()
            page.SetFontAndSize(font, 20)
            Dim tw As Single = page.TextWidth(text)
            page.MoveTextPos((page.GetWidth() - tw) / 2, (page.GetHeight() - 20) / 2)
            page.ShowText(text)
            page.EndText()

pdf.SetPassword(owner_passwd, user_passwd)
            pdf.SetPermission(HPdfDoc.HPDF_ENABLE_READ)

' use 128 bit revision 3 encryption
            pdf.SetEncryptionMode(HPdfEncryptMode.HPDF_ENCRYPT_R3, 16)

' save the document to a file
            pdf.SaveToFile("Permission.pdf")

Catch ex As Exception
            Console.Error.WriteLine(ex.Message)
        End Try
    End Sub
End Module

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Editing: Permission.vb

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