mes-client/PLCDataReader/PublicMethod/GlobalEventsHandler.cs

using System.Windows.Forms;
using UAS_PLCDataReader.Entity;

namespace UAS_PLCDataReader.PublicMethod
{
    /// <summary>
    /// Author zhangz   2016/12/30
    /// 全局事件处理，通过句柄获取触发事件的控件
    /// 结合捕获的全局的键盘事件来验证用户进行的操作
    /// </summary>
    class GlobalEventsHandler : IMessageFilter
    {
        //鼠标左键点击
        public const int WM_LBUTTONDOWN = 0x0201;
        //键盘敲击事件
        public const int WM_KEYDOWN = 0x100;

        public bool PreFilterMessage(ref Message m)
        {
            Control c = Control.FromHandle(m.HWnd);
            if (m.Msg == WM_LBUTTONDOWN && c.GetType().ToString().ToUpper().Contains("BUTTON"))
            {
                LogicHandler.DoCommandLog(User.UserCode, c.Parent.Text, "点击【" + c.Text + "】按钮");
            }
            return false;
        }
    }
}