private void Form1_MouseDown(object sender, MouseEventArgs e)
{
Cell c= p.CheckMouse(e.X, e.Y);
if (c == null) return;
c1 = c;
this.Cursor = Cursors.Hand;
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
this.Cursor = Cursors.Arrow;
if (c1 == null)
return;
Cell c = p.CheckMouse(e.X, e.Y);
if (c == null)
{
c1 = null;
return;
}
c2 = c;
p.Swap(new Action(c1, c2), true);
}
public Action(Cell lh,Cell rh)
{
LH = lh;
RH = rh;
}