2. Homework types!
3. No Effort
4. Might be asked to a specific person reading his/her article.
for 1,2,3 -> Don't expect people to reply you!
for 4 -> post the same at message forum at the end of article.
Last but not the least... looks a trivial thing... just Google it!
This was the first link: http://msdn.microsoft.com/en-us/library/ms973872.aspx