private void SudokuControl_MouseClick(object sender, MouseEventArgs e)
{
PickContext context = new PickContext(ClientSize, CellA, CellB);
int x, y;
context.PositionOf(e.X, e.Y, out x, out y);
if (x < 0 || x >= Cells || y < 0 || y >= Cells)
{
return;
}
if (grid.PlayMode == SudokuGrid.PlayModes.EditBox)
{
if (grid.IsJigsaw)
{
grid.ChangeBox(x, y);
}
}
else if (x == selx && y == sely)
{
ClearSelection();
}
else
{
MakeSelection(x, y);
}
Invalidate();
}