How do i make each individual button/checkbox in a 5x5 button array have a different event handler?

Question

I have this chunk of code...

public void initButtons(CheckBox[,] buttons)
    {
        int locX = 0;
        int locY = 0;

        for(int x = 0; x < buttons.GetLength(0); x++)
        {
            for(int y = 0; y < buttons.GetLength(1); y++)
            {
                buttons[x, y] = new CheckBox();
                buttons[x, y].Appearance = Appearance.Button;
                buttons[x, y].Location = new Point(locX, locY);
                buttons[x, y].Size = new Size(60, 60);
                buttons[x, y].Click += new EventHandler(this.MemoryButton_Clicked);
                this.Controls.Add(buttons[x, y]);

                locX += 60; 
            }
            locX = 0;
            locY += 60;
        }
    }

...which creates a 5x5 grid of checkboxes. I would like each individual button to have a different EventHandler (instead of all buttons sharing the same one). Is this possible?

Answer 1

You can use a lambda expression to make an anonymous function your event handler

buttons[x, y].Click += new EventHandler((s, ea) =>
{
    //insert code here;
});

Doing this uses closures, so you can do neat things like the following.

buttons[x, y].Click += new EventHandler((s, ea) =>
{
    var aString = String.Format("my coordinates are {0} and {1}", x, y);
});

Answer 2

Okay so i fixed it. Basically i just add buttons[x,y].Name="Button"+i; and i++; in the forloop. Each element in the 2d array gets a unique name and i can use .Name.Equals later if i want to call it.

Thanks to https://stackoverflow.com/a/6511194/7024105