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Tiff File Creation For Fax With FAXCOMLib

Hi All,

I am trying to create a .tiff file to fax using the windows fax service
I have created an array of images (bitmaps) and converted them to 1pbb
format in order to allow CCITT3/4 compression for faxing.

The .Tiff file appears to be created successfully however when I try to send
the file as a fax I get the error:
System.Runtime. InteropServices .COMException (0x8007000D): The data is

Most other file formats (.txt, .doc etc) send are sent using my faxing code
My code to send the fax is:

Dim fs As New FAXCOMLib.FaxSe rverClass
fs.Connect(Envi ronment.Machine Name) '//specifies the machinename
Dim obj As Object = fs.CreateDocume nt(pathToImage)
Dim fd As FAXCOMLib.FaxDo c = CType(obj, FAXCOMLib.FaxDo c)
fd.FaxNumber = txtNumber.Text
Dim i As Integer = fd.Send()
fd = Nothing
fs = Nothing

As the code above appears to function correctly when not sending one of the
tiff images I have created, Im guessing that Im doing something wrong in my
Tiff image creation code:

Private Function createTiffImage (ByVal bitmapArray() As Bitmap) As String
'get the codec for tiff files
Dim info As ImageCodecInfo = Nothing
Dim ice As ImageCodecInfo
Dim faxPath As String = Application.Sta rtupPath & "\SPLREP\Fax.ti ff"

For Each ice In ImageCodecInfo. GetImageEncoder s()
If ice.MimeType = "image/tiff" Then
info = ice
End If
Next ice

'use the save encoder
Dim enc As Encoder = Encoder.SaveFla g
Dim enc1 As Encoder = Encoder.Compres sion

Dim ep As New EncoderParamete rs(2)

ep.Param(0) = New EncoderParamete r(enc, CLng(EncoderVal ue.MultiFrame))
ep.Param(1) = New EncoderParamete r(enc1,
CLng(EncoderVal ue.CompressionC CITT3))

Dim pages As Bitmap = Nothing
Dim i As Integer = 0

For i = 0 To bitmapArray.Get UpperBound(0) Step 1
If i = 0 Then
'save the first frame
pages = bitmapArray(i)
pages.Save(faxP ath, info, ep)
'save the intermediate frames
ep.Param(0) = New EncoderParamete r(enc,
CLng(EncoderVal ue.FrameDimensi onPage))
ep.Param(1) = New EncoderParamete r(enc1,
CLng(EncoderVal ue.CompressionC CITT3))
pages.SaveAdd(b itmapArray(i), ep)
End If

If i = bitmapArray.Get UpperBound(0) Then
'flush and close.
ep.Param(0) = New EncoderParamete r(enc, CLng(EncoderVal ue.Flush))
ep.Param(1) = New EncoderParamete r(enc1,
CLng(EncoderVal ue.CompressionC CITT3))
pages.SaveAdd(e p)
End If
Return faxPath
End Function

The Tiff images seem to be recognised by image manipulation programs (e.g.
IrfanView) but are invalid as fax files. What do I need to do to make the
Tiff image a valid fax file?

Thanx very much in advance for all your help.

Will @ Multepos

Nov 21 '05 #1
0 2009

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