public void ExportReport(
	string format,
	NameValueDictionary deviceInfo
)

Public Sub ExportReport ( 
	format As String,
	deviceInfo As NameValueDictionary
)

// Opens the dialog to export the report
private void button5_Click(object sender, System.EventArgs e)
{
    this.ReportViewer1.ExportReport("PDF", null);
}

' Opens the dialog to export the report
Private Sub button5_Click(sender As Object, e As System.EventArgs)
    Me.ReportViewer1.ExportReport("PDF", Nothing)
End Sub