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;

namespace WindowsFormsApplication1

{

public partial class Form1 : Form

{

//假設你要顯示的變數是n

private int n;

//定義一個定時器

private System.Threading.Timer tm;

public Form1()

{

InitializeComponent();

n = 0;

//初始化定時器，每隔1000毫秒執行一個Exec方法

tm = new System.Threading.Timer(new System.Threading.TimerCallback(Exec), null, 0, 1000);

}

private void Exec(object state)

{

n++;

//在這裡顯示你的變數

SetLable(n.ToString());

}

#region 提示資訊方法

private delegate void SetLableCallback(string str);

public void SetLable(string str)

{

if (IsDisposed)

return;

if (label1.IsDisposed)

return;

// InvokeRequired需要比較呼叫執行緒ID和建立執行緒ID

// 如果它們不相同則返回true

if (label1.InvokeRequired)

{

SetLableCallback o = new SetLableCallback(SetLable);

Invoke(o, new object[] { str });

}

else

{

label1.Text = str;

}

}

#endregion

}

}