Setting an external Image

I am trying to set the value of the image to

Code:

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="file:///logo.jpg"

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It works if I put that directly into the "value" field in the rdlc layout. However, if I create a "paramImage" string parameter and set it like this

Code:

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Dim ImageParam As String
ImageParam = "=""file:///logo.jpg"""
MsgBox(ImageParam)
paramList.Add(New Microsoft.Reporting.WinForms.ReportParameter("paramImage", ImageParam))

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it doesn't work, it just shows the red X.

What am I doing wrong?

Thanks,
Dave