void ButtonClick(object sender, EventArgs e)
{
FButton b = (FButton)sender;
if (b.X != 0 && !buttons[b.X - 1, b.Y].Enabled)
{
SwapCheck(b, buttons[b.X - 1, b.Y]);
}
else if (b.X != 3 && !buttons[b.X + 1, b.Y].Enabled)
{
SwapCheck(b, buttons[b.X + 1, b.Y]);
}
else if (b.Y != 0 && !buttons[b.X, b.Y - 1].Enabled)
{
SwapCheck(b, buttons[b.X, b.Y - 1]);
}
else if (b.Y != 3 && !buttons[b.X, b.Y + 1].Enabled)
{
SwapCheck(b, buttons[b.X, b.Y + 1]);
}
}
void SwapCheck(FButton first, FButton second)
{
if (first.Correct())
{
corrects--;
}
if (second.Correct())
{
corrects--;
}
second.Value = first.Value;
second.Text = second.Value.ToString();
second.Enabled = true;
first.Value = 16;
first.Text = "";
first.Enabled = false;
if (first.Correct())
{
corrects++;
}
if (second.Correct())
{
corrects++;
}
if (corrects == answer)
{
WinForm win = new WinForm();
win.StartPosition = FormStartPosition.CenterParent;
DialogResult result = win.ShowDialog();
if (result == DialogResult.OK)
{
StartInit();
}
else
{
Close();
}
}
}
void StartInit()
{
corrects = 0;
if (buttons != null)
{
for (int i = 0; i < size; i++)
{
for (int k = 0; k < size; k++)
{
Controls.Remove(buttons[i, k]);
}
}
}
buttons = new FButton[size, size];
int[] numbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
Random random = new Random();
for (int n = 0; n < 38; n++)
{
int first = random.Next(15);
int second = random.Next(15);
int temp = numbers[first];
numbers[first] = numbers[second];
numbers[second] = temp;
}
int pairs = 0;
for (int n = 0; n < numbers.Length - 2; n++)
{
for (int m = n + 1; m < numbers.Length - 1; m++)
{
if (numbers[n] > numbers[m])
{
pairs++;
}
}
}
if (pairs % 2 == 1)
{
int temp = numbers[9];
numbers[9] = numbers[10];
numbers[10] = temp;
}
for (int i = 0; i < size; i++)
{
for (int k = 0; k < size; k++)
{
int index = i + k * size;
FButton b = new FButton(index + 1)
{
Width = buttonSize, Height = buttonSize, TabStop = false, X = i, Y = k
};
b.Value = numbers[index];
if (b.Correct())
{
corrects++;
}
b.Font = new Font("Microsoft Sans Serif", 10f);
if (b.Value < 16)
{
b.Text = b.Value.ToString();
}
else
{
b.Enabled = false;
}
b.Location = new Point(i * buttonSize, k * buttonSize);
b.Click += ButtonClick;
Controls.Add(b);
buttons[i, k] = b;
}
}
}
