Function Window.setAspectRatio
Prototype
void setAspectRatio( int number, int denom );
Example
w .setAspectRatio(16, 9); // Window now always 16:9
w .setAspectRatio(4, 3); // Window is 4:3
void setAspectRatio( int number, int denom );
w .setAspectRatio(16, 9); // Window now always 16:9
w .setAspectRatio(4, 3); // Window is 4:3