C#透明按鈕

/// <summary>


/// 設置透明按鈕樣式


/// </summary>


private void SetBtnStyle(Button btn)


{


    btn.FlatStyle = FlatStyle.Flat;//樣式


    btn.ForeColor = Color.Transparent;//前景


    btn.BackColor = Color.Transparent;//去背景


    btn.FlatAppearance.BorderSize = 0;//去邊線


    btn.FlatAppearance.MouseOverBackColor = Color.Transparent;//鼠標經過


    btn.FlatAppearance.MouseDownBackColor = Color.Transparent;//鼠標按下


}


private void btn_MouseHover(object sender, EventArgs e)


{


    Button btn = sender as Button;


    btn.FlatAppearance.BorderSize = 1;


}






private void btn_MouseLeave(object sender, EventArgs e)


{


    Button btn = sender as Button;


    btn.FlatAppearance.BorderSize = 0;


}