private void Form1_Load(object sender, EventArgs e)
{
    fpSpread1.ActiveSheet.RowCount = 10;

    // A컬럼 셀 타입 설정 및 초기화
    FarPoint.Win.Spread.CellType.CheckBoxCellType check = new FarPoint.Win.Spread.CellType.CheckBoxCellType();
    fpSpread1.ActiveSheet.Columns[0].CellType = check;
    fpSpread1.ActiveSheet.Cells[0, 0, fpSpread1.ActiveSheet.RowCount -1, 0].Value = false;

    // Change 이벤트 추가
    fpSpread1.Change += FpSpread1_Change;
}

private void FpSpread1_Change(object sender, FarPoint.Win.Spread.ChangeEventArgs e)
{
    // 변화가 발생한 셀이 B컬럼에 속해있을 경우
    if(e.Column == 1)
    {
        e.View.Sheets[e.View.ActiveSheetIndex].Cells[e.Row, 0].Value = true;
    }
}

// 버튼 클릭 시, A 컬럼의 체크박스 체크 해제
private void button1_Click(object sender, EventArgs e)
{
    fpSpread1.ActiveSheet.Cells[0, 0, fpSpread1.ActiveSheet.RowCount - 1, 0].Value = false;
}