Don's McBlog

It's been a while since I've updated this. My apologies, but I do tend to disappear from work for the month of December, which is what I did this year too. Happy 2007! This article can be considered somewhat of a sequel to my last one (CodeDom Quirks), Read More...

I'm going to talk a little bit here about the expression model used by WF rules, and some of the idiosyncrasies, caveats, and downright quirks that arise from our chosen expression model. First, a little history. Rather than (re)inventing our own private Read More...

How can you be a Rules engine if you don't do Rete? Read More...

I suppose the first entry in blog should be an introduction of sorts. Since this is a Microsoft blog, I'll mention immediately that I do work at Microsoft, and have since 1997. Prior to that I worked at IBM for 8 years. I am currently the development Read More...