If set, these values will be used to size the window in forced-window mode on startup. If not set, 640×480 will be used until the window is either resized or overridden by a display mode change.
DXGL
If set, these values will be used to size the window in forced-window mode on startup. If not set, 640×480 will be used until the window is either resized or overridden by a display mode change.