The sample demonstrates how to insert image files from your desktop (or any other file directory) into the HTML editor by using igUpload widget. HTML Editor widget could be easily used with HTML Drag and Drop API and File API specification in order to easily represent file object in the web application or the widget itself, as well programmatically selct them and access their data.
In HTML5, drag and drop is part of the standard, and any element could be draggable, event external files from the desktop.
Note: You can upload only images with a size smaller than 1 MB.