實現的功能是
按button之後label會每毫秒顯示一次數字數字從到（委托方式實現）
按button之後模擬耗時操作秒後label顯示為當前時間（BackgroundWorker方式實現）
在執行的時候按button可以將label的內容改為textbox的內容（此處為主線程控制用於顯示多線程未死鎖主線程）
using System;
using SystemCollectionsGeneric;
using SystemComponentModel;
using SystemData;
using SystemDrawing;
using SystemLinq;
using SystemText;
using SystemWindowsForms;
using SystemThreading;
namespace WindowsFormsApplication
{
public partial class Form : Form
{
private delegate void SetState(int x);//代理
public Form()
{
InitializeComponent();
ThreadCurrentThreadName = Main;//主線程命名
ConsoleWriteLine(ThreadCurrentThreadName);
}
private void TempFunction() //中轉函數用來連續多次調用目標函數並模擬延時
{
for (int i = ; i < ;i++ )
{
ThreadFunction(i);
ThreadSleep();
}
}
private void ThreadFunction(int x) //實際控件操作函數
{
if (labelInvokeRequired) //用委托來操作
{
SetState ss = new SetState(ThreadFunction);
Invoke(ssnew object[]{x});
ConsoleWriteLine(ThreadCurrentThreadName);
}
else //普通方式操作
{
labelText = xToString();
labelUpdate();
ConsoleWriteLine(ThreadCurrentThreadName);
}
}
private void button_Click(object sender EventArgs e) //主線程的按鈕操作用來顯示區別所在
{
labelText = textBoxText;
}
private void button_Click(object sender EventArgs e) //按下按鈕後開始多線程操作
{
Thread th = new Thread(new ThreadStart(TempFunction));
thIsBackground = true;
thName = kidfruit;
thStart();
}
private void backgroundWorker_DoWork(object sender DoWorkEventArgs e) //使用BackgroundWorker控件
{
ThreadSleep(); //模擬操作延時
}
private void backgroundWorker_RunWorkerCompleted(object sender RunWorkerCompletedEventArgs e) //BackgroundWorker耗時操作結束後
{
labelText = DateTimeNowToLongTimeString();
}
private void button_Click(object sender EventArgs e) //開始BackgroundWorker的耗時操作
{
backgroundWorkerRunWorkerAsync();
}
}
}
From:http://tw.wingwit.com/Article/program/net/201311/13500.html
