diff --git a/examples/mouse/main.go b/examples/mouse/main.go
index 27ac403..c33c8f5 100644
--- a/examples/mouse/main.go
+++ b/examples/mouse/main.go
@@ -25,6 +25,9 @@ func move() {
 
 	robotgo.Drag(10, 10)
 	robotgo.Drag(20, 20, "right")
+	//
+	robotgo.DragSmooth(10, 10)
+	robotgo.DragSmooth(100, 200, 1.0, 100.0)
 
 	// smooth move the mouse to 100, 200
 	robotgo.MoveSmooth(100, 200)