XPLMGetScreenSize

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XPLMGetScreenSize

XPLM_API void                 XPLMGetScreenSize(
                                   int *                outWidth,    /* Can be NULL */
                                   int *                outHeight);    /* Can be NULL */
This routine returns the size of the size of the X-Plane OpenGL window in pixels. Please note that this is not the size of the screen when doing 2-d drawing (the 2-d screen is currently always 1024x768, and graphics are scaled up by OpenGL when doing 2-d drawing for higher-res monitors). This number can be used to get a rough idea of the amount of detail the user will be able to see when drawing in 3-d.