The WebBrowser control loads properly any mht file if I use the Navigate method, but when I use the DocumentText or DocumentStre
mht
Navigate
DocumentText
DocumentStre
I remember I was facing the same issue a few years ago and although I searched for a solution then I did not find any. In the end, I went for the temp-file approach. I wish you good luck, and if there's an answer I would like to know too.