How to extract images from PDF in Visual Basic .NET


Below is the sample code which demontrates how to extract imaged from PDF in Visual Basic . NET 
Imports Bytescout.PDFExtractor
Imports System.Drawing.Imaging
 
Class Program
    Friend Shared Sub Main(ByVal args As String())
 
        ' Create Bytescout.PDFExtractor.ImageExtractor instance
        Dim extractor As New ImageExtractor()
		extractor.RegistrationName = "demo"
		extractor.RegistrationKey = "demo"
 
        ' Load sample PDF document
        extractor.LoadDocumentFromFile("sample1.pdf")
 
        Dim i As Integer = 0
 
        ' Initialize image enumeration
        If extractor.GetFirstImage() Then
            Do
                Dim outputFileName As String = "image" & i & ".png"
 
                ' Save image to file
                extractor.SaveCurrentImageToFile(outputFileName, ImageFormat.Png)
 
                i = i + 1
 
            Loop While extractor.GetNextImage() ' Advance image enumeration
        End If
 
        ' Open first output file in default associated application
        System.Diagnostics.Process.Start("image0.png")
 
    End Sub
End Class
Filed in: PDF Extractor SDK

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