如何檢查鼠標是否在上下文菜單欄上

Question

我有一個winform，其中包含一個按鈕，當鼠標懸停在其上時，該菜單的上下文菜單帶會下拉。

在按鈕的鼠標離開事件中檢查鼠標是否在上下文菜單欄中的條件不起作用。

private void button1_MouseHover(object sender, EventArgs e)
{           
    contextMenuStrip1.Show(button1, new Point(0, button1.Height));
}

private void button1_MouseLeave(object sender, EventArgs e)
{
    if (contextMenuStrip1.ClientRectangle.Contains(PointToClient(Cursor.Position)))
    {
        return;
    }
    else
    {
        contextMenuStrip1.Hide();
    }
}      

Answer 1

這不准確，但是您似乎希望此方法有效。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp27
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            contextMenuStrip1.MouseLeave += ContextMenuStrip1_MouseLeave;
        }

        private void ContextMenuStrip1_MouseLeave(object sender, EventArgs e)
        {
            contextMenuStrip1.Hide();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            contextMenuStrip1.Show(button1, new Point(0, button1.Height));
        }
    }
}