Selects the default position for forced-window mode.
The following options are available:
Locates the window in the center of the display.
Uses the position stored in “Remembered window position” to position the window, using logical window coordinates.
Locates the window at the top left of the display.
Allows Windows to select the position to place the window.
Top left and Windows default options are available in DXGL 0.5.14 and later.