port rev. 2862: More misc inspection stuff
port rev. 2862:
More misc inspection stuff

git-tfs-id: [https://tfs.codeplex.com/tfs/TFS05/]$/ZXingNet/trunk;C87129

bsoja/ZXing.Net,DHMechatronicAG/ZXing.Net,bsoja/ZXing.Net,micjahn/ZXing.Net,micjahn/ZXing.Net,micjahn/ZXing.Net,DHMechatronicAG/ZXing.Net,DHMechatronicAG/ZXing.Net,bsoja/ZXing.Net