resize window before create scene
resize window before create scene

some demos (Demo-Pointers, Demo_PanelView) needs windows size to
properly position the widgets

fmwviormv/mygui,scrawl/mygui,al2950/mygui,al2950/mygui,al2950/mygui,al2950/mygui,scrawl/mygui,scrawl/mygui,fmwviormv/mygui,fmwviormv/mygui,fmwviormv/mygui,scrawl/mygui