How to Convert Image to PDF in VB.NET?

Imports System.IO
Imports PQScan.ImageToPDF

Namespace ImageToPDF
    Class Program
        Private Shared Sub Main(args As String())
            'Create an instance of PQScan.ImageToPDF.PDFConverter object.
            Dim converter As New PDFConverter()

            'Set PDF page layout, if to ImageSize, 
            'PDF page will display the original size and quality of the source image.
            converter.PageSizeType = PageSizeMode.ImageSize

            'Set input image from local files.
            Dim imgFiles As String() = New String(2) {"input1.bmp", "input2.bmp", "input3.bmp"}

            'Set output pdf stream.
            Dim fileStream As New FileStream("bmp-to-pdf.pdf", FileMode.Create)

            'Generate PDF from images.
            converter.CreatePDF(imgFiles, fileStream)
        End Sub
    End Class
End Namespace

Imports System.IO
Imports PQScan.ImageToPDF

Namespace ImageToPDF
    Class Program
        Private Shared Sub Main(args As String())
            'Create an instance of PQScan.ImageToPDF.PDFConverter object.
            Dim converter As New PDFConverter()

            'Set PDF page layout, A4 is most widely used.
            converter.PageSizeType = PageSizeMode.A4

            'Set input image from file streams.
            Dim streams As FileStream() = New FileStream(2) {}
            streams(0) = New FileStream("input1.gif", FileMode.Open)
            streams(1) = New FileStream("input2.gif", FileMode.Open)
            streams(2) = New FileStream("input3.gif", FileMode.Open)

            'Set output pdf file stream.
            Dim fileStream As New FileStream("gif-to-pdf.pdf", FileMode.Create)

            'Generate PDF from images.
            converter.CreatePDF(imgFiles, fileStream)
        End Sub
    End Class
End Namespace