An example made with ITK
Then the WebChecker will start acting as a Web client as retrieve
the documents to check their contet and their links.
A report is sent while the WebChecker is running so that you know
wht's going on. Each time a document is checked, the number of new
links and the number of links remaining to check are also sent.
When all links are checked, a full report is sent.
WARNING, Webchecking can take several minutes !!!
You can stop the WebChecker at any time by using the "Stop" button.