基本信息
源码名称:winform弹出框(MessageBox支持自动关闭)
源码大小:0.45M
文件格式:.zip
开发语言:C#
更新时间:2019-12-18
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源码介绍
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
{
public Form1()
{
InitializeComponent();
}
[DllImport("user32.dll", EntryPoint = "FindWindow")]
private static extern IntPtr FindWindow(string IpClassName, string IpWindowName);
[DllImport("User32.dll", CharSet = CharSet.Auto)]
public static extern int SetWindowText(IntPtr hWnd, string text);
[DllImport("user32.dll", EntryPoint = "FindWindowEx")]
private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
/// <summary>
[DllImport("user32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
const int WM_CLOSE = 0x10;
const int BM_CLICK = 0xF5;
int FunCord;
IntPtr hwnd;
int t;
private void button1_Click(object sender, EventArgs e)
{
FunCord = 1;
t = 5;
timer1.Enabled = true;
MessageBox.Show("系统关机提示:\n\n 确认关机请点击【确定】\n\n 继续使用请点击【取消】", "系统将于" t "秒后关机", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2);
MessageBox.Show("直接关闭");
}
private void timer1_Tick(object sender, EventArgs e)
{
if (FunCord == 1)
{
hwnd = FindWindow(null, "系统将于" t.ToString() "秒后关机");
t = t - 1;
SetWindowText(hwnd, "系统将于" t.ToString() "秒后关机");
if (t == 0)
{
timer1.Enabled = false;
SendMessage(hwnd, WM_CLOSE, 0, 0);
}
}
else if (FunCord == 2)
{
hwnd = FindWindow(null, "支付提示");
IntPtr a = FindWindowEx(hwnd, (IntPtr)null, null, "支付中," t "秒后关闭");
t = t - 1;
SetWindowText(a, "支付中," t "秒后关闭");
if (t == 0)
{
timer1.Enabled = false;
SendMessage(hwnd, WM_CLOSE, 0, 0);
}
}
else if (FunCord == 3)
{
hwnd = FindWindow(null, "系统将于" t.ToString() "秒后关机");
t = t - 1;
SetWindowText(hwnd, "系统将于" t.ToString() "秒后关机");
if (t == 0)
{
IntPtr OKHwnd = FindWindowEx(hwnd, IntPtr.Zero, null, "确定");
SendMessage(OKHwnd, BM_CLICK, 0, 0);
timer1.Enabled = false;
}
}
else if (FunCord == 4)
{
hwnd = FindWindow(null, "系统将于" t.ToString() "秒后关机");
t = t - 1;
SetWindowText(hwnd, "系统将于" t.ToString() "秒后关机");
if (t == 0)
{
IntPtr OKHwnd = FindWindowEx(hwnd, IntPtr.Zero, null, "取消");
SendMessage(OKHwnd, BM_CLICK, 0, 0);
timer1.Enabled = false;
}
}
}
private void button2_Click(object sender, EventArgs e)
{
FunCord = 2;
t = 30;
timer1.Enabled = true;
MessageBox.Show("支付中," t "秒后关闭", "支付提示");
KillMessageBox();
//停止Timer
((Timer)sender).Stop();
timer1.Enabled = false;
}
private void KillMessageBox()
{
//按照MessageBox的标题,找到MessageBox的窗口
IntPtr ptr = FindWindow(null, "MessageBox");
if (ptr != IntPtr.Zero)
{
//找到则关闭MessageBox窗口
SendMessage(hwnd, WM_CLOSE, 0, 0);
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button3_Click(object sender, EventArgs e)
{
FunCord = 3;
t = 5;
timer1.Enabled = true;
if (MessageBox.Show("系统关机提示:\n\n 确认关机请点击【确定】\n\n 继续使用请点击【取消】", "系统将于" t "秒后关机", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.OK)
{
MessageBox.Show("点击了确定");
}
timer1.Enabled = false;
}
private void button4_Click(object sender, EventArgs e)
{
FunCord = 4;
t = 5;
timer1.Enabled = true;
if (MessageBox.Show("系统关机提示:\n\n 确认关机请点击【确定】\n\n 继续使用请点击【取消】", "系统将于" t "秒后关机", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Cancel)
{
MessageBox.Show("点击了取消");
}
timer1.Enabled = false;
}
}
}