void btn_Click(object sender, EventArgs e)
{
CMineInfo mine = (CMineInfo)((Button)sender).Tag;
//Debug.Write(((CMineInfo)((Button)sender).Tag).ToString());
Debug.WriteLine(mine.ToString());
// performing here as to avoid user every selecting mine on first button click
if (0 >= mines.Length)
{
// AddMine(1, 1);
// AddMine(1, 4);
// AddMine(2, 3);
// AddMine(2, 0);
AddMine(1, 0);
AddMine(0, 1);
AddMine(2, 2);
AddMine(3, 3);
AddMine(8, 8);
// use loop create array of CMineInfo
// use random number to select row
// use random number to select col
// confirm mine not already exists otherwise regenerate random indices until valid
// add button tag mineinfo object to array use object stored in tag property, objcts are all already created
// lastly, loop through mines set Z property to indicate mines present
for (int i = 0; i < Mines.Count; i++)
{
Mines[i].Z = 1;
}
}
ClickButton((Button)sender);
}
private void AddMine(int r, int c)
{
CMineInfo mine = (CMineInfo)btns[r][c].Tag;
// only mines have Count < 0
mine.Count = -1;
Mines.Add(mine);
}
public void ClickButton(Button btn)
{
// check if button previously removed
if (-1 < Controls.IndexOf(btn))
{
CMineInfo mine = (CMineInfo)btn.Tag;
// count bounding mines
mine.Count = mine.GetCount();
// create label to replace button
Label l = new Label();
l.Text = mine.Count.ToString();
l.Location = btn.Location;
l.Size = btn.Size;
l.AutoSize = false;
l.TextAlign = ContentAlignment.MiddleCenter;
int x = Controls.IndexOf(btn);
Controls.RemoveAt(x);
Controls.Add(l);
Controls.SetChildIndex(l, x);
// recursively call for removing buttons
// note, this not most efficient method ... per Neil
if (0 == mine.Count)
{
if (mine.N != null)
{
ClickButton(btns[mine.N.Row][mine.N.Column]);
}
if (mine.S != null)
{
ClickButton(btns[mine.S.Row][mine.S.Column]);
}
if (mine.E != null)
{
ClickButton(btns[mine.E.Row][mine.E.Column]);
}
if (mine.W != null)
{
ClickButton(btns[mine.W.Row][mine.W.Column]);
}
}
}
}
public Form1()
{
InitializeComponent();
Rows = 10;
Columns = 10;
int w = 25; // width
int h = 25; // height
// create buttons as array of arrays
btns = new Button[Rows][];
for (int i = 0; i < Rows; i++)
{
btns[i] = new Button[Columns];
for (int j = 0; j < btns[i].Length; j++)
{
btns[i][j] = new Button();
btns[i][j].Width = w;
btns[i][j].Height = h;
btns[i][j].Location = new Point(j * h, i * w);
btns[i][j].Tag = new CMineInfo(i, j, 0); // { Button = btns[i][j] };
btns[i][j].Click += new EventHandler(btn_Click);
}
Controls.AddRange(btns[i]);
}
// set references to adjacent nodes N,S,E,W,NE,NW,SE,SW
for (int i = 0; i < Rows; i++)
{
for (int j = 0; j < Columns; j++)
{
CMineInfo mine = (CMineInfo)btns[i][j].Tag;
if (0 < i)
{
mine.N = (CMineInfo)btns[i - 1][j].Tag;
}
if (i < Rows - 1)
{
mine.S = (CMineInfo)btns[i + 1][j].Tag;
}
if (0 < j)
{
mine.W = (CMineInfo)btns[i][j - 1].Tag;
if (mine.N != null)
{
mine.NW = mine.N.W;
}
if (mine.S != null)
{
mine.SW = mine.S.W;
}
}
if (j < Columns - 1)
{
mine.E = (CMineInfo)btns[i][j + 1].Tag;
if (mine.N != null)
{
mine.NE = mine.N.E;
}
if (mine.S != null)
{
mine.SE = mine.S.E;
}
}
}
}
}
public Button GetButton(CMineInfo mine)
{
return(btns[mine.Row][mine.Column]);
}
