When will Parallel.ForEach be supported? Using foreach is too slow when there are many elements in a PDF document. I would like to fill the text of TextFragments in the following way, but it throws an exception. Are ther…...8= #=z9HSz1QY=, Boolean #=zM8Z9sBE=, Boolean #=zAopRzi8=, String&...#=z9vEC8sFMa$Wx, Boolean #=zM8Z9sBE=, Boolean #=zAopRzi8=, #=...