¿Para qué sirve MoveWindow en VB?

Función de declaración privada MoveWindow Lib "user32" (ByVal hwnd As Long, _

ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, _

ByVal bRepaint As Long) As Long mueve el formulario. Controlador MoveWindow, X, Y, ancho, alto, Verdadero