I got a lot help from the CodeProject, now I want to pose one small program to help others at he same time to make progress, I hope it's helpful to the others.
Some times, we want to give our user the folders size they select on the fly the same as we click on a folder perperty shows, the foder's size will increase continually. How to get the folder/file/drive size, Of course, we can get some similar articles in the codeproject. such as Hans Dietrich's project. His app can obtain any folder's capacity. But unfortunately, it can only get one folder's size at one time. In my demo project, I implement a method to get a collection ..
