Drag-and-drop describes the action of selecting an image on a web page with the mouse and then click-dragging it to desktop. Drag-and-dropping is one of the many methods that are available for copying images from web pages.
Here is a code snippet to disable drag & drop and increase security. This code will prevent mouse-dragging of images from a web page onto the desktop.
copy and paste to get this code or you can use the download
This page can be tested. Try left-clicking the mouse on an
image to drag to the desktop.
The code above gives an example of exactly how it should be
Do not count on this method to stop copying. To properly
prevent copying, you need control at system level because all web browsers
support the feature except the ArtisBrowser
which was specially designed for copy protected web sites and is most
effective when used with the
ArtistScope Site Protection System
Click to download