如何创建一个悬停的C#Winforms控件

private void button1_Click(object sender, EventArgs e)
{
    MessageBox.Show("Button clicked!");
}

private void Form1_Load(object sender, EventArgs e)
{
    button1.MouseEnter += new EventHandler(button1_MouseEnter);
    button1.MouseLeave += new EventHandler(button1_MouseLeave);
}

private void button1_MouseEnter(object sender, EventArgs e)
{
    button1.BackColor = Color.FromArgb(100, 100, 100);
}

private void button1_MouseLeave(object sender, EventArgs e)
{
    button1.BackColor = SystemColors.Control;
}