use captured screen size
use captured screen size

Haukinger/gong-wpf-dragdrop,huoxudong125/gong-wpf-dragdrop,punker76/gong-wpf-dragdrop,ruisebastiao/gong-wpf-dragdrop,emsaks/gong-wpf-dragdrop,Livit/Mailbird.Gong.WPF.DragDrop