The event handler method receives the following arguments:
sender
A WindowBase instance, which is the source of the event. This object will be passed to the handler function as the first argument.
args
A ControlModifyingEventArgs instance, which contains event data. This object will be passed to the handler function as the second argument.

The following code handles the stateChanging event of a Window class.

JavaScript  Copy Code
var u = MindFusion.Common.UI; window.stateChanging.addEventListener(stateChangingEventHandler); function stateChangingEventHandler(sender, args) {   //if the window is minimized   if(args.changes.windowState === u.WindowState.Minimized)       //do something }

WindowBase Members
WindowBase Class
MindFusion.Common.UI Namespace