private bool isWin()
{
// Tao mot ngan xep
STACK <Po> stack = new STACK <Po>();
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
if (buttons[i, j].Name == NAME_BUTTON)
{
stack.push(new Po(i, j));
}
}
}
while (!stack.isEmpty())
{
Po p = stack.pop();
if (checkPoint(p) == false)
{
return(false);
}
}
return(true);
}
private bool checkPoint(Po p)
{
char num = buttons[p.x, p.y].Text[0];
if (num == '0')
{
return(false);
}
// Lay doc
STACK <String> vetical = new STACK <string>();
for (int i = 0; i < 9; i++)
{
if (i != p.y)
{
vetical.push(buttons[p.x, i].Text);
}
}
while (!vetical.isEmpty())
{
String item = vetical.pop();
if (item == buttons[p.x, p.y].Text)
{
return(false);
}
}
// Lay ngang
STACK <String> horizontal = new STACK <string>();
for (int i = 0; i < 9; i++)
{
if (i != p.x)
{
horizontal.push(buttons[i, p.y].Text);
}
}
while (!horizontal.isEmpty())
{
String item = horizontal.pop();
if (item == buttons[p.x, p.y].Text)
{
return(false);
}
}
// Lay block 3*3
STACK <String> block = new STACK <string>();
int startx = (p.x / 3) * 3;
int starty = (p.y / 3) * 3;
for (int i = startx; i < startx + 3; i++)
{
for (int j = starty; j < starty + 3; j++)
{
if (i == p.x && j == p.y)
{
continue;
}
block.push(buttons[i, j].Text);
}
}
while (!block.isEmpty())
{
String item = block.pop();
if (item == buttons[p.x, p.y].Text)
{
return(false);
}
}
return(true);
}
