This version of Unity is unsupported.
Method group is Obsolete

PlayerSettings.d3d9FullscreenMode

Switch to Manual
Obsolete d3d9FullscreenMode is deprecated, use fullScreenMode instead. public static D3D9FullscreenMode d3d9FullscreenMode;

Description

Define how to handle fullscreen mode in Windows standalones (Direct3D 9 mode).

Set this to change how fullscreen mode is handled in Windows standalone builds with Direct3D 9. See D3D9FullscreenMode for descriptions of the possible modes.