Util/InvokeHelper.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Windows.Forms;

namespace Util
{
    /// <summary>  
    /// A thread-safe control invoker helper class.  
    /// </summary>  
    public class InvokeHelper
    {
        #region delegates
        private delegate object MethodInvoker(Control control, string methodName, params object[] args);

        private delegate object PropertyGetInvoker(Control control, object noncontrol, string propertyName);
        private delegate void PropertySetInvoker(Control control, object noncontrol, string propertyName, object value);
        #endregion

        #region static methods
        // helpers  
        private static PropertyInfo GetPropertyInfo(Control control, object noncontrol, string propertyName)
        {
            if (control != null && !string.IsNullOrEmpty(propertyName))
            {
                PropertyInfo pi = null;
                Type t = null;

                if (noncontrol != null)
                    t = noncontrol.GetType();
                else
                    t = control.GetType();

                pi = t.GetProperty(propertyName);

                if (pi == null)
                    throw new InvalidOperationException(
                        string.Format(
                        "Can't find property {0} in {1}.",
                        propertyName,
                        t.ToString()
                        ));

                return pi;
            }
            else
                throw new ArgumentNullException("Invalid argument.");
        }

        // outlines  
        public static object Invoke(Control control, string methodName, params object[] args)
        {
            if (control != null && !string.IsNullOrEmpty(methodName))
                if (control.InvokeRequired)
                    return control.Invoke(
                        new MethodInvoker(Invoke),
                        control,
                        methodName,