跨线程程访问Win form 控件

http://blog.csdn.net/farawayplace613/article/details/4849632

    public static class CrossThreadUtility
    {
        public static void InvokeControlAction<t>(t cont, Action<t> action) where t : System.Windows.Forms.Control
        {
            if (cont.InvokeRequired)
            {
                cont.Invoke(new Action<t, Action<t>>(InvokeControlAction), new object[] { cont, action });
            }
            else
            {
                action(cont);
            }
        }
    }

　　

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 CrossThreadUtil
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //Initialize and start the timer
            System.Timers.Timer t = new System.Timers.Timer(1000);
            t.Elapsed += new System.Timers.ElapsedEventHandler(t_Elapsed);
            t.Start();
        }

        void t_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
                       CrossThreadUtility.InvokeControlAction<Label>(lblTime, lbl => lbl.Text = String.Format("The current time is: {0}", DateTime.Now.ToString("h:mm:ss tt")));
        }
    }
}

//Form1.Designer.cs

 

namespace CrossThreadUtil
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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.lblTime = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // lblTime
            // 
            this.lblTime.AutoSize = true;
            this.lblTime.Font = new System.Drawing.Font("Microsoft Sans Serif", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.lblTime.Location = new System.Drawing.Point(92, 133);
            this.lblTime.Name = "lblTime";
            this.lblTime.Size = new System.Drawing.Size(0, 24);
            this.lblTime.TabIndex = 0;
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(484, 324);
            this.Controls.Add(this.lblTime);
            this.Name = "Form1";
            this.Text = "Clock";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Label lblTime;
    }
}