Set Superscript and Subscript for Text in PDF - VB.NET
PDF SDK sample in VB.NET demonstrating ‘Set Superscript and Subscript for Text in PDF’
Program.vb
Imports Bytescout.PDF
''' <summary>
''' This example demonstrates how to create a document and save it to file.
''' </summary>
Class Program
    Shared Sub Main()
        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"
        ' If you wish to load an existing document uncomment the line below And comment the Add page section instead
        ' pdfDocument.Load(".\existing_document.pdf")
        ' Add page
        Dim page = New Page(PaperFormat.A4)
        pdfDocument.Pages.Add(page)
        Dim font = New Font("Arial", 16)
        Dim brush = New SolidBrush()
        Dim stringFormat = New StringFormat()
        Dim xPosition As Single = 20
        ' Draw normal string
        page.Canvas.DrawString("Normal text ", font, brush, xPosition, 50, stringFormat)
        xPosition += font.GetTextWidth("Normal text ")
        ' Draw subscript string 
        stringFormat.Rise = -5
        page.Canvas.DrawString("Subscript", font, brush, xPosition, 50, stringFormat)
        xPosition += font.GetTextWidth("Subscript")
        ' draw superscript string
        stringFormat.Rise = +5
        page.Canvas.DrawString("Superscript", font, brush, xPosition, 50, stringFormat)
        xPosition += font.GetTextWidth("Superscript")
        ' Draw the baseline
        Dim pen = New SolidPen(New ColorRGB(0, 0, 255))
        pen.Opacity = 50
        page.Canvas.DrawLine(pen, 20, 50 + font.Size, xPosition, 50 + font.Size)
        ' Save document to file
        pdfDocument.Save("result.pdf")
        ' Cleanup 
		pdfDocument.Dispose()
        ' Open document in default PDF viewer app
        Process.Start("result.pdf")
    End Sub
End Class
Resources.Designer.vb
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