[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
    public class TestMessageFilter : IMessageFilter
    {
        public bool PreFilterMessage(ref Message m)
        {
            // 这里拦截鼠标左键相关，你可以设置其他消息.
            if (m.Msg >= 513 && m.Msg <= 515)
            {
                Console.WriteLine("Processing the messages : " + m.Msg);
                return true;
            }
            return false;
        }
    }
你的程序开始时
        public Form1()
        {
            InitializeComponent();
            TestMessageFilter msfilter = new TestMessageFilter();
            Application.AddMessageFilter(msfilter);
        }

------解决方案--------------------

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C# code

    [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
    public class TestMessageFilter : IMessageFilter
    {
        public bool PreFilt……