Drag move NativeWindow manually in AIR (doesn't use NativeWindow.startMove()).

DragMoveNativeWindowManually.as

import flash.events.MouseEvent;
import flash.geom.Point;
import flash.display.NativeWindow;

var down:Boolean = false;
var offset:Point = new Point();

stage.addEventListener(MouseEvent.MOUSE_DOWN, function(e:MouseEvent):void {
	down = true;
	var p:Point = new Point(e.stageX, e.stageY);
	p = stage.nativeWindow.globalToScreen(p);
	offset.x = p.x - stage.nativeWindow.x;
	offset.y = p.y - stage.nativeWindow.y;
});

stage.addEventListener(MouseEvent.MOUSE_MOVE, function(e:MouseEvent):void {
	if(down) {
		var p:Point = new Point(e.stageX, e.stageY);
		p = stage.nativeWindow.globalToScreen(p);
		stage.nativeWindow.x = p.x - offset.x;
		stage.nativeWindow.y = p.y - offset.y;
		e.updateAfterEvent();
	}
});

stage.addEventListener(MouseEvent.MOUSE_UP, function(e:MouseEvent):void {
	down = false;   
});