[C#] Active WindowText Collector

[C#] Active WindowText Collector








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Cito :

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.Text;

namespace activeWindow
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{

[DllImport("user32.dll")]
static extern int GetForegroundWindow();

[DllImport("user32.dll")]
static extern int GetWindowText(int hWnd, StringBuilder text, int count);

private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label captionWindowLabel;
private System.Windows.Forms.Label IDWindowLabel;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Timer timer1;
private ListBox listBox1;
private System.ComponentModel.IContainer components;

//
// GetForegroundWindow API
//
private void GetActiveWindow()
{

const int nChars = 256;
int handle = 0;
StringBuilder Buff = new StringBuilder(nChars);

handle = GetForegroundWindow();

if (GetWindowText(handle, Buff, nChars) > 0)
{
this.captionWindowLabel.Text = Buff.ToString();
this.IDWindowLabel.Text = handle.ToString();
}

}

public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();

//
// TODO: Add any constructor code after InitializeComponent call
//
}

/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}

#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.captionWindowLabel = new System.Windows.Forms.Label();
this.IDWindowLabel = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.listBox1 = new System.Windows.Forms.ListBox();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(136, ;
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(112, 16);
this.label1.TabIndex = 0;
this.label1.Text = "Active Window Detail";
//
// label2
//
this.label2.Location = new System.Drawing.Point(16, 40);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(96, 16);
this.label2.TabIndex = 1;
this.label2.Text = "Window Caption : ";
//
// label3
//
this.label3.Location = new System.Drawing.Point(16, 88);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(96, 16);
this.label3.TabIndex = 2;
this.label3.Text = "Window Handle :";
//
// captionWindowLabel
//
this.captionWindowLabel.Location = new System.Drawing.Point(112, 40);
this.captionWindowLabel.Name = "captionWindowLabel";
this.captionWindowLabel.Size = new System.Drawing.Size(224, 40);
this.captionWindowLabel.TabIndex = 3;
this.captionWindowLabel.TextChanged += new System.EventHandler(this.captionWindowLabel_TextChanged);
//
// IDWindowLabel
//
this.IDWindowLabel.Location = new System.Drawing.Point(112, 88);
this.IDWindowLabel.Name = "IDWindowLabel";
this.IDWindowLabel.Size = new System.Drawing.Size(100, 16);
this.IDWindowLabel.TabIndex = 4;
//
// button1
//
this.button1.Location = new System.Drawing.Point(176, 128);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(48, 24);
this.button1.TabIndex = 5;
this.button1.Text = "EXIT";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// timer1
//
this.timer1.Enabled = true;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// listBox1
//
this.listBox1.FormattingEnabled = true;
this.listBox1.Location = new System.Drawing.Point(12, 285);
this.listBox1.Name = "listBox1";
this.listBox1.Size = new System.Drawing.Size(803, 277);
this.listBox1.TabIndex = 6;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(867, 626);
this.Controls.Add(this.listBox1);
this.Controls.Add(this.button1);
this.Controls.Add(this.IDWindowLabel);
this.Controls.Add(this.captionWindowLabel);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "Window Information";
this.TopMost = true;
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void timer1_Tick(object sender, System.EventArgs e)
{
GetActiveWindow();
}

private void button1_Click(object sender, System.EventArgs e)
{
this.Close();
}

private void captionWindowLabel_TextChanged(object sender, EventArgs e)
{
listBox1.Items.Add(captionWindowLabel.Text);
}
}
}