Tic Tac Toe Visual Basic 10' express Help 10pts best answer?

im trying to make Tic Tac Toe in VB '10 express. this is how i have it set up so far. im following how my teacher set his up. to make the board, i opened a form as normal. and i have 9 pictureboxs labled as such "picImage1, picImage2, etc) and i have them set up 3 x 3 they are white and inside a panel and the panel is black so the white pic boxs make a black Tic Tac Toe board....i know i need to use arrays, and If Then statements but i dont have a clue how to start the coding...someone please help me.