refresh desktop

[js]

is there any method to refresh the desktop with exe program of swfkit

i want to create a program with a button
when ever the button pressed then the windows desktop will refresh



js ???

[SWFKit]

dllimport "user32.dll" stdcall int GetDesktopWindow();

var win = new Window(GetDesktopWindow());
trace(win.width);
win.update();