GM_CalcWorldRectSize |
Calculates the width and height of a rectangle in the current projection. The rectangle can either be specified or the last drawn rectangle can be used.
SyntaxGM_Error_t32 GM_CalcWorldRectSize ( const GM_Rectangle_t* aWorldBounds, // IN: World bounds to calc size of or NULL for last drawn double* aWidthMeters, // OUT: Width of rectangle in meters double* aHeightMeters // OUT: Height of rectangle in meters );