日期:2014-05-18 浏览次数:20974 次
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.Threading; namespace 摇奖机 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } Thread n1; bool isStart = false; private void btnControl_Click(object sender, EventArgs e) { if (isStart == false) { n1 = new Thread(NumberChange); n1.Start(); isStart = true; btnControl.Text = "结束"; } else { n1.Abort(); isStart = false; btnControl.Text = "开始"; if (n1.ThreadState == ThreadState.Aborted) { labResult.Text = "中奖结果:" + labnum1.Text + labnum2.Text + labnum3.Text + labnum4.Text + labnum5.Text + labnum6.Text; } } } void end() { n1.Abort(); } private void NumberChange() { Random ran = new Random(); delegateSafeThread = SetLabText; while (true) { labnum1.Invoke(delegateSafeThread, ran, labnum1); labnum2.Invoke(delegateSafeThread, ran, labnum2); labnum3.Invoke(delegateSafeThread, ran, labnum3); labnum4.Invoke(delegateSafeThread, ran, labnum4); labnum5.Invoke(delegateSafeThread, ran, labnum5); labnum6.Invoke(delegateSafeThread, ran, labnum6); } } NumberChangeDelegate delegateSafeThread; private void SetLabText(Random ran,Label lab ) { lab.Text = ran.Next(10).ToString(); } private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (isStart) { e.Cancel = true; MessageBox.Show("关闭前请先停止摇奖"); } } } delegate void NumberChangeDelegate(Random ran, Label lab); }
using System; using System.Threading; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } Thread n1; bool isStart = false; NumberChangeDelegate delegateSafeThread; delegate void NumberChangeDelegate(Random ran, Label lab); private void btnControl_Click(object sender, EventArgs e) { if (isStart == false) { n1 = new Thread(NumberChange); n1.Start(); isStart = true; btnControl.Text = "结束"; } else { isStart = false; btnControl.Text = "开始"; } } private void NumberChange() { Random ran = new Random(); delegateSafeThread = SetLabText; while (isStart)