This function is used to draw a filled rectangle without a border.
void bar( int left, int top, int right, int bottom );
The x-coordinate of the left of the rectangle.
The y-coordinate of the upper of the rectangle.
The x-coordinate of the right of the rectangle.
The y-coordinate of the lower of the rectangle.
This function is obsolete and is declared only in graphics.h.
It is recommended that use solidrectangle instead of this function.