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using JinYuan.Helper;
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using JinYuan.Models;
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using JinYuan.VirtualDataLibrary;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace LargeSquareOne
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{
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public partial class FrmLogin : Form
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{
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public FrmLogin()
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{
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InitializeComponent();
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this.Load += FrmLogin_Load;
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}
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private void FrmLogin_Load(object sender, EventArgs e)
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{
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CommonMethods.GetSysConfig();
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if (CommonMethods.sysConfig != null)
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{
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if (CommonMethods.sysConfig.AutoLogin)
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{
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btn_Login_Click(null, null);
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}
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}
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}
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/// <summary>
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/// 登录
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btn_Login_Click(object sender, EventArgs e)
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{
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//数据验证
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if (this.txt_LoginName.Text.Trim().Length == 0)
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{
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new FrmMsgBoxOutWithAck(2,"请填写登录用户名", "登录提示").ShowDialog();
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this.txt_LoginName.Focus();
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return;
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}
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if (this.txt_LoginPwd.Text.Trim().Length == 0)
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{
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new FrmMsgBoxOutWithAck(2,"请填写登录用密码", "登录提示").ShowDialog();
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this.txt_LoginPwd.Focus();
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return;
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}
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//封装对象
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SysAdmin sysAdmin = new SysAdmin()
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{
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LoginName = this.txt_LoginName.Text.Trim(),
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LoginPwd = StringSecurityHelper.DESEncrypt(this.txt_LoginPwd.Text.Trim())
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};
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//调用查询方法
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sysAdmin = CommonMethods.db.Query<SysAdmin>(it => it.LoginName == sysAdmin.LoginName && it.LoginPwd == sysAdmin.LoginPwd);
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if (sysAdmin == null)
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{
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new FrmMsgBoxOutWithAck(3,"登录用户或密码错误！！！", "登录提示").ShowDialog();
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return;
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}
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else
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{
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this.DialogResult = DialogResult.OK;
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CommonMethods.LoginOut = false;
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//存储用户对象
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CommonMethods.currentAdmin = sysAdmin;
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CommonMethods.IsLoginOk = true;
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}
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}
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/// <summary>
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/// 回车按钮事件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btn_Login_KeyDown(object sender, KeyEventArgs e)
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{
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//数据验证
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if (this.txt_LoginName.Text.Trim().Length == 0)
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{
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new FrmMsgBoxOutWithAck(2, "请填写登录用户名", "登录提示").ShowDialog();
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this.txt_LoginName.Focus();
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return;
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}
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if (this.txt_LoginPwd.Text.Trim().Length == 0)
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{
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new FrmMsgBoxOutWithAck(2, "请填写登录用密码", "登录提示").ShowDialog();
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this.txt_LoginPwd.Focus();
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return;
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}
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//封装对象
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SysAdmin sysAdmin = new SysAdmin()
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{
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LoginName = this.txt_LoginName.Text.Trim(),
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LoginPwd = StringSecurityHelper.DESEncrypt(this.txt_LoginPwd.Text.Trim())
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};
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//调用查询方法
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sysAdmin = CommonMethods.db.Query<SysAdmin>(it => it.LoginName == sysAdmin.LoginName && it.LoginPwd == sysAdmin.LoginPwd);
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if (sysAdmin == null)
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{
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new FrmMsgBoxOutWithAck(3, "登录用户或密码错误！！！", "登录提示").ShowDialog();
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return;
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}
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else
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{
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this.DialogResult = DialogResult.OK;
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CommonMethods.LoginOut = false;
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//存储用户对象
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CommonMethods.currentAdmin = sysAdmin;
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CommonMethods.IsLoginOk = true;
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}
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}
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private void txt_LoginName_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Enter)
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{
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this.btn_Login_Click(null, null);
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}
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}
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private void txt_LoginName_DoubleClick(object sender, EventArgs e)
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{
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StartKeyBoard();
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}
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#region 启动软键盘
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private void StartKeyBoard()
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{
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//打开软键盘
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try
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{
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if (!System.IO.File.Exists(Environment.SystemDirectory + "\\osk.exe"))
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{
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MessageBox.Show("软件盘可执行文件不存在！");
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return;
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}
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softKey = System.Diagnostics.Process.Start(Environment.SystemDirectory + "\\osk.exe");
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// 上面的语句在打开软键盘后，系统还没用立刻把软键盘的窗口创建出来了。所以下面的代码用循环来查询窗口是否创建，只有创建了窗口
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// FindWindow才能找到窗口句柄，才可以移动窗口的位置和设置窗口的大小。这里是关键。
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IntPtr intptr = IntPtr.Zero;
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while (IntPtr.Zero == intptr)
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{
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System.Threading.Thread.Sleep(100);
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intptr = FindWindow(null, "屏幕键盘");
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}
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// 获取屏幕尺寸
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int iActulaWidth = Screen.PrimaryScreen.Bounds.Width;
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int iActulaHeight = Screen.PrimaryScreen.Bounds.Height;
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// 设置软键盘的显示位置，底部居中
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int posX = (iActulaWidth - 1000) / 2;
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int posY = (iActulaHeight - 300);
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//设定键盘显示位置
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MoveWindow(intptr, posX, posY, 1000, 300, true);
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//设置软键盘到前端显示
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SetForegroundWindow(intptr);
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}
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catch (System.Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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// 申明要使用的dll和api
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[DllImport("User32.dll", EntryPoint = "FindWindow")]
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public extern static IntPtr FindWindow(string lpClassName, string lpWindowName);
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[System.Runtime.InteropServices.DllImportAttribute("user32.dll", EntryPoint = "MoveWindow")]
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public static extern bool MoveWindow(System.IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint);
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[DllImport("user32.dll")]
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static extern bool SetForegroundWindow(IntPtr hWnd);
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private System.Diagnostics.Process softKey;
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#endregion
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/// <summary>
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/// 退出
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btn_Close_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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#region 窗体拖动
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public static Point CPoint;
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private void Form_MouseDown(object sender, MouseEventArgs e)
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{
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CPoint = new Point(-e.X, -e.Y);
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}
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private void Form_MouseMove(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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Point myPosittion = Control.MousePosition;//获取当前鼠标的屏幕坐标
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myPosittion.Offset(CPoint.X, CPoint.Y);//重载当前鼠标的位置
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this.DesktopLocation = myPosittion;//设置当前窗体在屏幕上的位置
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}
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}
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#endregion
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#region 减少闪烁
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protected override CreateParams CreateParams
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{
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get
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{
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CreateParams parss = base.CreateParams;
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parss.ExStyle |= 0x02000000;
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return parss;
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}
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}
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#endregion
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}
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}
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