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MathGroup Archive 2004

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How to give back to an image using "Net/Link" and ""?

  • To: mathgroup at
  • Subject: [mg46834] How to give back to an image using "Net/Link" and ""?
  • From: albert_666 at (Roger)
  • Date: Tue, 9 Mar 2004 19:57:47 -0500 (EST)
  • Sender: owner-wri-mathgroup at

I need aid to create a graph in mathematica and to place it in a page
aspx being used Net/link and

I have two paginas aspx WebForm1.aspx and WebFor2m.aspx
WebForm1.aspx calls to WebForm2.aspx to obtain an image:
< img src="WebForm2.aspx ">

The code of "WebForm2.aspx" is the following one:

Imports System.Drawing
Imports System.Drawing.Imaging
Imports Wolfram.NETLink

Public Class WebForm2
    Inherits System.Web.UI.Page

    Private mathkernel As New Wolfram.NETLink.MathKernel
    Dim resultado As String

    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As _ 
System.EventArgs) Handles MyBase.Load

        Response.ContentType = "image/gif"

        If (mathkernel.IsComputing()) Then

            mathkernel.GraphicsHeight = 200
            mathkernel.GraphicsWidth = 300
            mathkernel.CaptureGraphics = True

            If (mathkernel.Graphics.Length > 0) Then
            End If

        End If
    End Sub

End Class

in time of debugin the variable "mathkernel.Graphics.Length" is equal
to 1, but profit not to give back the image to "WebForm1.aspx"

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