nPurpose: make the arc grows in anticlockwise direction
n void PaintArc(int xcenter, int ycenter,
int r, int sAngle, int eAngle) {
n SetForeColor(255, 0, 0); // set color
n for (int i = sAngle; i <=
eAngle; i++) {
n int x = xcenter + r * cosdeg(i -
sAngle);
n int y = ycenter - r * sindeg(i - sAngle); // change
here
n DrawLine(xcenter, ycenter, x,
y);
n
