74 lines
1.6 KiB
C#
74 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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using System.IO;
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namespace TopMostWinChecker
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{
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public partial class Form1 : Form
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{
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Timer m_timer;
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int m_iHandle=0;
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public Form1()
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{
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InitializeComponent();
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m_timer = new Timer();
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m_timer.Interval = 100;
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m_timer.Tick += new EventHandler(TimerHandler);
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m_timer.Start();
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}
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private void TimerHandler(object sender, EventArgs e)
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{
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int iHandle = GetForegroundWindow();
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const int nChars = 256;
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StringBuilder Buff = new StringBuilder(nChars);
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if(GetWindowText(iHandle, Buff, nChars) > 0)
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{
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if(iHandle != m_iHandle)
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{
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string strCurTime = System.DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
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ListViewItem item = new ListViewItem(new string[]{ Buff.ToString(), iHandle.ToString(), strCurTime });
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lvList.Items.Add(item);
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StreamWriter fp = null;
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try
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{
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fp = new StreamWriter("save.txt", true);
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fp.WriteLine("[" + strCurTime + "] " + Buff.ToString() + " (" + iHandle.ToString() + ")");
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}
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catch
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{
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MessageBox.Show("file save failed");
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}
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finally
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{
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if(fp != null)
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fp.Close();
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}
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}
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}
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m_iHandle = iHandle;
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}
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[DllImport("user32.dll")]
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static extern int GetForegroundWindow();
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[DllImport("user32.dll")]
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static extern int GetWindowText(int hWnd, StringBuilder text, int count);
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}
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}
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