applyPassword

Viscomsoft .NET PDF Viewer SDK

PDFDocument.applyPassword Method

Appy the password when open password protected PDF file.

Visual Basic

Public Sub applyPassword(ByVal password As String) as Bool

public bool applyPassword(string password)

Parameter
password - the path of password.

Namespace: Viscomsoft.PDFViewer

Return Value
True - Open successful
False - Open failed.

Example

[C# Syntax]
using Viscomsoft.PDFViewer;

public partial class Form1 : Form
{

public PDFView _pdfViewer;
_pdfViewer = new PDFView();
_pdfViewer.Canvas.Parent = this;
_pdfViewer.Canvas.Location = new Point(0, 24);

private void Form1_Load(object sender, EventArgs e)
{
    resizeCanvas();

    PDFDocument doc = new PDFDocument();
    if (doc.open("c:\\yourfile.pdf"))
    {
        if (doc.RequiresPassword)
         {
               bool Isopen = doc.applyPassword("yourpassword");
                    if (!Isopen)
                    MessageBox.Show("Invalid password", "Document is have user password");

        }
      _pdfViewer.Document = doc;
      _pdfViewer.gotoPage(1);

    }
}

private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{

    if (_pdf.Document != null)
    _pdfViewer.Document.close();
   }

private void resizeCanvas()
{
_pdfViewer.Canvas.Size = new Size(this.ClientSize.Width, this.ClientSize.Height - 24);
}
}

[Visual Basic Syntax]
Imports Viscomsoft.PDFViewer

Public Class Form1

Private Sub resizeCanvas()

_pdfviewer.Canvas.Size = New Size(Me.ClientSize.Width, Me.ClientSize.Height - 24)

End Sub

Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load

_pdfviewer.Canvas.Parent = Me

_pdfviewer.Canvas.Location = New Point(0, 24)

resizeCanvas()

Dim doc As New PDFDocument

If doc.open("c:\temp\yourfile.pdf") Then

    If doc.RequiresPassword then
                   Dim Isopen as Bool
                      Isopen = doc.applyPassword("yourpassword")
                    if Isopen <> true Then
                    MessageBox.Show("Invalid password", "Document is have user password")
    End If

_pdfviewer.Document = doc

_pdfviewer.gotoPage(1)
_pdfViewer.saveText("c:\temp\mytext.txt")
End If

End Sub

Private Sub Form1_FormClosed(sender As Object, e As System.Windows.Forms.FormClosedEventArgs) Handles Me.FormClosed

If Not IsNothing(_pdfviewer.Document) Then

_pdfviewer.Document.close()

End If

End Sub

End Class