pic24hj64gp502 CN interrupt not working! (Nima Eskandari)

Here is how i setup the Interrupt:TRISB = 0xFFFF; INTCON1bits.NSTDIS = 0; CNEN1bits.CN4IE = 1; CNEN1bits.CN5IE = 1; CNEN1bits.CN6IE = 1; CNEN1bits.CN7IE = 1; CNPU1bits.CN4PUE = 1; CNPU1bits.CN5PUE = 1; CNPU1bits.CN6PUE = 1; CNPU1bits.CN7PUE = 1; IFS1bits...