Visual Basic

this.info.author = "Harry Wishes" 

Public Class Form1
    Dim gApp As Acrobat.CAcroApp

<p>
    Private Sub Form1_Load()
        gApp = CreateObject("AcroExch.App")
    End Sub

<p>
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim pdDoc As Acrobat.CAcroPDDoc
        Dim page As Acrobat.CAcroPDPage
        Dim jso As Object
        Dim path As String
        Dim point(1) As Integer
        Dim popupRect(3) As Integer
        Dim pageRect As Object
        Dim annot As Object
        Dim props As Object
<p>
        OpenFileDialog1.ShowDialog()
        path = OpenFileDialog1.FileName

        pdDoc = CreateObject("AcroExch.PDDoc")

        If pdDoc.Open(path) Then
            jso = pdDoc.GetJSObject
            If Not jso Is Nothing Then
                ' Get size for page 0 and setup arrays
                page = pdDoc.AcquirePage(0)
                pageRect = page.GetSize
                point(0) = 0
                point(1) = pageRect.y
                popupRect(0) = 0
                popupRect(1) = pageRect.y - 100
                popupRect(2) = 200
                popupRect(3) = pageRect.y
                ' Create a new text annot
                annot = jso.AddAnnot
                props = annot.getProps
                props.Type = "Text"
                annot.setProps(props)
                ' Fill in a few fields
                props = annot.getProps
                props.page = 1
                props.point = point
                props.popupRect = popupRect
                props.author = "Rob McAfee"
                props.noteIcon = "Comment"
                props.strokeColor = jso.Color.red
                props.Contents = "I added this comment from Visual Basic!"
                annot.setProps(props)

                pdDoc.Close()
                MsgBox("Annotation added to " & path)

            Else
                MsgBox("Failed to open " & path)
            End If
        End If
        pdDoc = Nothing
    End Sub
<p>
End Class</p></p></p></p>