Quote Originally Posted by softmuthu84 View Post
POINT fn_drawRectangle(POINT P1,POINT P2,POINT P3);
double fn_getDistance(POINT P,POINT Q);
void fn_Reorder(POINT &P1,POINT &P2,POINT &P3);
...
What does your post "Forth Point Rectangle Point from Third point" with an absolutely unreadable code have to do with the OP's problem "Tooltip on a rectangular area"?