Hi,
I downloaded iTextSharp 5.1.3 source and compiled it for .NET Framework 4.0.
I tried to use the PdfStamper.GetPdfLayers() method and got an exception:
The given key was not present in the dictionary.
I found and fixed the bug in \Core\iTextSharp\text\pdf\PdfStamperImp.cs,
AddOrder() method
Code Before
if (obj.IsIndirect())
{
layer = ocgmap[key]; <-- Exception
layer.OnPanel = true;
RegisterLayer(layer);
if (parent != null)
{
parent.AddChild(layer);
}
if (arr.Size > i + 1 && arr[i + 1].IsArray())
{
i++;
AddOrder(layer, (PdfArray)arr[i], ocgmap);
}
}
Code Fix
if (obj.IsIndirect())
{
//Ivan Farkas of 3D HD Soft, LLC 2012/01/17 - Check for existing key of
dictionary before using it, otherwise an exception is thrown
string key = obj.ToString();
layer = ocgmap.ContainsKey(key) ? ocgmap[key] : null;
if (layer != null)
{
layer.OnPanel = true;
RegisterLayer(layer);
if (parent != null)
{
parent.AddChild(layer);
}
if (arr.Size > i + 1 && arr[i + 1].IsArray())
{
i++;
AddOrder(layer, (PdfArray)arr[i], ocgmap);
}
}
}
I hope this helps. I find iText extremely useful.
Sincerely Yours,
Ivan Farkas
3D HD Soft, LLC
13371 SW 45th Dr, Miramar, FL 33027
(954) 364-7925; Fax: (866) 740-4296
i...@3dhdsoft.com<mailto:i...@3dhdsoft.com>
www.3DHDSoft.com<http://www.3dhdsoft.com/>
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