C#：定义窗口快捷键

public class TEST : Form
{
    public TEST()
    {
        InitializeComponent();
    }

    private void TEST_Load(object sender, EventArgs e)
    {
        this.KeyPreview = true;
    }

    private void TEST_KeyDown(object sender, KeyEventArgs e)
    {
        if (e.KeyCode == Keys.F1 && e.Control)
        {
            MessageBox.Show("Hello!"); 
        }
    }
}