获取句柄
获取句柄
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Reflection;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
//获取窗口标题
[DllImport("user32", SetLastError = true)]
public static extern int GetWindowText(
IntPtr hWnd,//窗口句柄
StringBuilder lpString,//标题
int nMaxCount //最大值
);
//获取类的名字
[DllImport("user32.dll")]
private static extern int GetClassName(
IntPtr hWnd,//句柄
StringBuilder lpString, //类名
int nMaxCount //最大值
);
//根据坐标获取窗口句柄
[DllImport("user32")]
private static extern IntPtr WindowFromPoint(
Point Point //坐标
);
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void timer1_Tick(object sender, EventArgs e)
{
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
Point p = new Point(x, y);
IntPtr formHandle = WindowFromPoint(p);//得到窗口句柄
StringBuilder title = new StringBuilder(256);
GetWindowText(formHandle, title, title.Capacity);//得到窗口的标题
StringBuilder className = new StringBuilder(256);
GetClassName(formHandle, className, className.Capacity);//得到窗口的句柄
this.textBox1.Text = title.ToString();//窗口标题
this.textBox2.Text = formHandle.ToString();//
this.textBox3.Text = className.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
timer1.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Reflection;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
//获取窗口标题
[DllImport("user32", SetLastError = true)]
public static extern int GetWindowText(
IntPtr hWnd,//窗口句柄
StringBuilder lpString,//标题
int nMaxCount //最大值
);
//获取类的名字
[DllImport("user32.dll")]
private static extern int GetClassName(
IntPtr hWnd,//句柄
StringBuilder lpString, //类名
int nMaxCount //最大值
);
//根据坐标获取窗口句柄
[DllImport("user32")]
private static extern IntPtr WindowFromPoint(
Point Point //坐标
);
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void timer1_Tick(object sender, EventArgs e)
{
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
Point p = new Point(x, y);
IntPtr formHandle = WindowFromPoint(p);//得到窗口句柄
StringBuilder title = new StringBuilder(256);
GetWindowText(formHandle, title, title.Capacity);//得到窗口的标题
StringBuilder className = new StringBuilder(256);
GetClassName(formHandle, className, className.Capacity);//得到窗口的句柄
this.textBox1.Text = title.ToString();//窗口标题
this.textBox2.Text = formHandle.ToString();//
this.textBox3.Text = className.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
timer1.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
}
}
}
调用如下：
例如:
QQ登陆框句柄传输QQ号码代码如下：
首先是HotKeys类定义
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Runtime.InteropServices;
public class HotKeys
{
int keyid = 10;
Dictionary<int, HotKeyCallBackHanlder> keymap = new Dictionary<int, HotKeyCallBackHanlder>();
public delegate void HotKeyCallBackHanlder();
public enum HotkeyModifiers
{
Alt = 1,
Control = 2,
Shift = 4,
Win = 8
}
[DllImport("user32.dll")]
static extern bool RegisterHotKey(IntPtr hWnd, int id, int modifiers, Keys vk);
[DllImport("user32.dll")]
static extern bool UnregisterHotKey(IntPtr hWnd, int id);
/// <summary>
/// 注册快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="fsModifiers">组合键</param>
/// <param name="vk">快捷键的虚拟键码</param>
/// <param name="callBack">回调函数（按下快捷键时被调用的方法）</param>
public void Regist(IntPtr hWnd, int modifiers, Keys vk, HotKeyCallBackHanlder callBack)
{
int id = keyid++;
if (!RegisterHotKey(hWnd, id, modifiers, vk))
throw new Exception("注册失败！");
keymap[id] = callBack;
}
/// <summary>
/// 注销快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="callBack">回调函数</param>
public void UnRegist(IntPtr hWnd, HotKeyCallBackHanlder callBack)
{
foreach (KeyValuePair<int, HotKeyCallBackHanlder> var in keymap)
{
if (var.Value == callBack)
UnregisterHotKey(hWnd, var.Key);
}
}
/// <summary>
/// 快捷键消息处理
/// </summary>
public void ProcessHotKey(Message m)
{
if (m.Msg == 0x312)
{
int id = m.WParam.ToInt32();
HotKeyCallBackHanlder callback;
if (keymap.TryGetValue(id, out callback))
callback();
}
}
}
using System.Collections.Generic;
using System.Windows.Forms;
using System.Runtime.InteropServices;
public class HotKeys
{
int keyid = 10;
Dictionary<int, HotKeyCallBackHanlder> keymap = new Dictionary<int, HotKeyCallBackHanlder>();
public delegate void HotKeyCallBackHanlder();
public enum HotkeyModifiers
{
Alt = 1,
Control = 2,
Shift = 4,
Win = 8
}
[DllImport("user32.dll")]
static extern bool RegisterHotKey(IntPtr hWnd, int id, int modifiers, Keys vk);
[DllImport("user32.dll")]
static extern bool UnregisterHotKey(IntPtr hWnd, int id);
/// <summary>
/// 注册快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="fsModifiers">组合键</param>
/// <param name="vk">快捷键的虚拟键码</param>
/// <param name="callBack">回调函数（按下快捷键时被调用的方法）</param>
public void Regist(IntPtr hWnd, int modifiers, Keys vk, HotKeyCallBackHanlder callBack)
{
int id = keyid++;
if (!RegisterHotKey(hWnd, id, modifiers, vk))
throw new Exception("注册失败！");
keymap[id] = callBack;
}
/// <summary>
/// 注销快捷键
/// </summary>
/// <param name="hWnd">持有快捷键窗口的句柄</param>
/// <param name="callBack">回调函数</param>
public void UnRegist(IntPtr hWnd, HotKeyCallBackHanlder callBack)
{
foreach (KeyValuePair<int, HotKeyCallBackHanlder> var in keymap)
{
if (var.Value == callBack)
UnregisterHotKey(hWnd, var.Key);
}
}
/// <summary>
/// 快捷键消息处理
/// </summary>
public void ProcessHotKey(Message m)
{
if (m.Msg == 0x312)
{
int id = m.WParam.ToInt32();
HotKeyCallBackHanlder callback;
if (keymap.TryGetValue(id, out callback))
callback();
}
}
}
发送代码如下：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
//第一个与第三个是用于查找窗口句柄的
[DllImport("user32.dll")]
public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("User32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, string lParam);
//[DllImport("user32.dll", EntryPoint = "FindWindow")]
//private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
[DllImport("User32.dll ")]
public static extern IntPtr FindWindowEx(IntPtr parent, IntPtr childe, string strclass, string FrmText);
[DllImport("USER32.DLL")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
bool a = true;
public Form1()
{
InitializeComponent();
}
HotKeys h = new HotKeys();
//重载WndProc函数
protected override void WndProc(ref Message m)
{
h.ProcessHotKey(m);//快捷键消息处理
base.WndProc(ref m);
}
private void Form1_Load(object sender, EventArgs e)
{
serialPort1.PortName = "COM5";
serialPort1.BaudRate = 9600;
serialPort1.Open();
h.Regist(this.Handle, (int)HotKeys.HotkeyModifiers.Control, Keys.E, CallBack);
}
private void button2_Click(object sender, EventArgs e)
{
//串口发送
//serialPort1.WriteLine(textBox1.Text);
//模拟键盘，句柄发送
Test();
//MessageBox.Show("数据发送成功！", "系统提示");
}
//跨越程序输入
public void Test()
{
const int WM_SETTEXT = 0x000C;
//IntPtr hwnd = FindWindow(null, "无标题 - 记事本");
IntPtr hwnd = FindWindow(null , "QQ2010");
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "EDIT", null);
IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "ATL:30A441A8", null);
//IntPtr htextbox2 = FindWindowEx(hwnd, htextbox, "EDIT", null);//填上次获得的句柄，可以得到下一个的句柄。
SendMessage(htextbox, WM_SETTEXT, IntPtr.Zero, this.textBox1.Text);
}
//按下快捷键时被调用的方法
public void CallBack()
{
Test();
}
private void DoUpdate(object s, EventArgs e)
{
textBox1.Text = serialPort1.ReadExisting();
MessageBox.Show(serialPort1.PortName);
}
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
this.Invoke(new EventHandler(DoUpdate));
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
//第一个与第三个是用于查找窗口句柄的
[DllImport("user32.dll")]
public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("User32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, string lParam);
//[DllImport("user32.dll", EntryPoint = "FindWindow")]
//private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
[DllImport("User32.dll ")]
public static extern IntPtr FindWindowEx(IntPtr parent, IntPtr childe, string strclass, string FrmText);
[DllImport("USER32.DLL")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
bool a = true;
public Form1()
{
InitializeComponent();
}
HotKeys h = new HotKeys();
//重载WndProc函数
protected override void WndProc(ref Message m)
{
h.ProcessHotKey(m);//快捷键消息处理
base.WndProc(ref m);
}
private void Form1_Load(object sender, EventArgs e)
{
serialPort1.PortName = "COM5";
serialPort1.BaudRate = 9600;
serialPort1.Open();
h.Regist(this.Handle, (int)HotKeys.HotkeyModifiers.Control, Keys.E, CallBack);
}
private void button2_Click(object sender, EventArgs e)
{
//串口发送
//serialPort1.WriteLine(textBox1.Text);
//模拟键盘，句柄发送
Test();
//MessageBox.Show("数据发送成功！", "系统提示");
}
//跨越程序输入
public void Test()
{
const int WM_SETTEXT = 0x000C;
//IntPtr hwnd = FindWindow(null, "无标题 - 记事本");
IntPtr hwnd = FindWindow(null , "QQ2010");
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "EDIT", null);
IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "ATL:30A441A8", null);
//IntPtr htextbox2 = FindWindowEx(hwnd, htextbox, "EDIT", null);//填上次获得的句柄，可以得到下一个的句柄。
SendMessage(htextbox, WM_SETTEXT, IntPtr.Zero, this.textBox1.Text);
}
//按下快捷键时被调用的方法
public void CallBack()
{
Test();
}
private void DoUpdate(object s, EventArgs e)
{
textBox1.Text = serialPort1.ReadExisting();
MessageBox.Show(serialPort1.PortName);
}
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
this.Invoke(new EventHandler(DoUpdate));
}
}
}
模拟邮件登录
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Threading;
namespace WindowsFormsApplication3
{
public partial class Form1 : Form
{
[DllImport("user32.dll")]
static extern IntPtr SetActiveWindow(IntPtr hWnd);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool SetForegroundWindow(IntPtr hWnd);
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Process proc = Process.Start("IExplore.exe", "http://mail.szjm.edu.cn/");
SetActiveWindow(proc.MainWindowHandle);//激活窗口
SetForegroundWindow(proc.MainWindowHandle);//将窗口放置到前端显示
Thread.Sleep(1000);//等待1000毫秒（1秒），用于等待网页完全打开
SendKeys.SendWait("用户名@szjm.edu.cn");//自动录入邮箱账号
SendKeys.SendWait("{tab}");//自动录入TAB键，用于录入账号后，切换至密码框
SendKeys.SendWait("密码");//自动录入密码
SendKeys.SendWait("{ENTER}");//输入回车键，提交数据登录
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Threading;
namespace WindowsFormsApplication3
{
public partial class Form1 : Form
{
[DllImport("user32.dll")]
static extern IntPtr SetActiveWindow(IntPtr hWnd);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool SetForegroundWindow(IntPtr hWnd);
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Process proc = Process.Start("IExplore.exe", "http://mail.szjm.edu.cn/");
SetActiveWindow(proc.MainWindowHandle);//激活窗口
SetForegroundWindow(proc.MainWindowHandle);//将窗口放置到前端显示
Thread.Sleep(1000);//等待1000毫秒（1秒），用于等待网页完全打开
SendKeys.SendWait("用户名@szjm.edu.cn");//自动录入邮箱账号
SendKeys.SendWait("{tab}");//自动录入TAB键，用于录入账号后，切换至密码框
SendKeys.SendWait("密码");//自动录入密码
SendKeys.SendWait("{ENTER}");//输入回车键，提交数据登录
}
}
}
如下代码，描述，有一程序，窗体名称是test_title，窗体里面有2个textbox控件，标题分别是aa和bb，向他们发送2个变量，然后模拟键盘，点击确认按钮，打开这个程序的主窗体。
const int WM_SETTEXT = 0x000C;
//IntPtr hwnd = FindWindow(null, "无标题 - 记事本");
IntPtr hwnd = FindWindow(null, "test_title");
SetForegroundWindow(hwnd);
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "EDIT", null);0O
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "WindowsForms10.EDIT.app.0.378734a", null);
IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, null,"aa" );
//IntPtr htextbox = new IntPtr(73396);
//IntPtr htextbox2 = FindWindowEx(hwnd, htextbox, "Edit", null);//填上次获得的句柄，可以得到下一个的句柄。
SendMessage(htextbox, WM_SETTEXT, IntPtr.Zero, textBox1.Text);
IntPtr htextbox1 = FindWindowEx(hwnd, IntPtr.Zero, null, "bb");
SendMessage(htextbox1, WM_SETTEXT, IntPtr.Zero, "19791225");
//SendKeys.SendWait("{tab}");//自动录入TAB键，用于录入账号后，切换至密码框
SendKeys.SendWait("{ENTER}");//输入回车键，提交数据登录
//IntPtr htextbox1= new IntPtr(73398);
//SendMessage(htextbox1, WM_SETTEXT, IntPtr.Zero,"19791225");
//IntPtr hwnd = FindWindow(null, "无标题 - 记事本");
IntPtr hwnd = FindWindow(null, "test_title");
SetForegroundWindow(hwnd);
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "EDIT", null);0O
//IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, "WindowsForms10.EDIT.app.0.378734a", null);
IntPtr htextbox = FindWindowEx(hwnd, IntPtr.Zero, null,"aa" );
//IntPtr htextbox = new IntPtr(73396);
//IntPtr htextbox2 = FindWindowEx(hwnd, htextbox, "Edit", null);//填上次获得的句柄，可以得到下一个的句柄。
SendMessage(htextbox, WM_SETTEXT, IntPtr.Zero, textBox1.Text);
IntPtr htextbox1 = FindWindowEx(hwnd, IntPtr.Zero, null, "bb");
SendMessage(htextbox1, WM_SETTEXT, IntPtr.Zero, "19791225");
//SendKeys.SendWait("{tab}");//自动录入TAB键，用于录入账号后，切换至密码框
SendKeys.SendWait("{ENTER}");//输入回车键，提交数据登录
//IntPtr htextbox1= new IntPtr(73398);
//SendMessage(htextbox1, WM_SETTEXT, IntPtr.Zero,"19791225");
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