using Infragistics.Win.UltraWinListView;
using Infragistics.Win.UltraWinTabControl;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Timers;
using System.Windows.Forms;
using System.Xml.Linq;
using Core.Mes.Client.Comm.Control;
using Core.Mes.Client.Comm.Server;
using Core.Mes.Client.Comm.Tool;
using Core.StlMes.Client.LgResMgt.Mcms.entity;
using CoreFS.CA06;
using Infragistics.Win;
using Infragistics.Win.Misc;
using Infragistics.Win.UltraWinEditors;
using Infragistics.Win.UltraWinGrid;
using Infragistics.Win.UltraWinListView;
using Infragistics.Win.UltraWinTabControl;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.SS.Util;
using BorderStyle = NPOI.SS.UserModel.BorderStyle;
using HorizontalAlignment = NPOI.SS.UserModel.HorizontalAlignment;
using Timer = System.Timers.Timer;
using System.Net.Sockets;
using System.Threading;
using System.Text;
using System.Collections;
using Core.Mes.Client.Comm.Format;
namespace CodeFile
{
    using System.Windows.Forms;
    internal class FormMove
    {
        private bool isMouseDown = false;
        private System.Drawing.Point FormLocation;     //form的location
        private System.Drawing.Point mouseOffset;      //鼠标的按下位置
        private FrmBase movedForm = null;
        private Control conObj = null;

        private FormMove()
        { }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="movedForm">要移动的窗体</param>
        /// <param name="conObj">控制窗体移动的控件，为null,则是窗体本身</param>
        public FormMove(FrmBase movedForm, Control conObj)
        {
            this.movedForm = movedForm;
            this.conObj = (conObj==null)?movedForm:conObj;
            this.conObj.MouseDown += new MouseEventHandler(ConObj_MouseDown);
            this.conObj.MouseMove += new MouseEventHandler(ConObj_MouseMove);
            this.conObj.MouseUp += new MouseEventHandler(ConObj_MouseUp);
        }

      
        private void ConObj_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                isMouseDown = true;
                FormLocation = movedForm.Location;
                mouseOffset = Control.MousePosition;
                this.conObj.Cursor = System.Windows.Forms.Cursors.SizeAll;
            }
        }

        private void ConObj_MouseUp(object sender, MouseEventArgs e)
        {
            this.conObj.Cursor = System.Windows.Forms.Cursors.Default;
            isMouseDown = false;
        }

        private void ConObj_MouseMove(object sender, MouseEventArgs e)
        {
            if (isMouseDown)
            {
                int _x = 0;
                int _y = 0;
                System.Drawing.Point pt = Control.MousePosition;
                _x = mouseOffset.X - pt.X;
                _y = mouseOffset.Y - pt.Y;

                movedForm.Location = new System.Drawing.Point(FormLocation.X - _x, FormLocation.Y - _y);
            }
        }
    }
}