public static void CopyHeaderBetweenList(HeaderList sourceHeaderList, HeaderList targetHeaderList, string headerName, bool onlyWriteFirstHeader)
{
Header header = sourceHeaderList.FindFirst(headerName);
while (header != null)
{
if (onlyWriteFirstHeader)
{
Header header2 = targetHeaderList.FindFirst(headerName);
if (header2 != null)
{
header2.Value = header.Value;
return;
}
targetHeaderList.AppendChild(header.Clone());
return;
}
else
{
targetHeaderList.AppendChild(header.Clone());
header = sourceHeaderList.FindNext(header);
}
}
}
