实例介绍
【实例简介】车牌号识别
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using XYS.MCW.Model;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Runtime.InteropServices;
namespace CarSln
{
public partial class MainForm : Form
{
[DllImport("user32.dll")]
public static extern bool ReleaseCapture();
[DllImport("user32.dll")]
public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
public const int WM_SYSCOMMAND = 0x0112;
public const int SC_MOVE = 0xF010;
public const int HTCAPTION = 0x0002;
static monitor mi = new monitor();
Record rc =new Record();
paleSubscribe ps=new paleSubscribe( mi);
int SH = Screen.PrimaryScreen.Bounds.Height; //竖向分辨率
int SW = Screen.PrimaryScreen.Bounds.Width; //横向分辨率
public MainForm()
{
InitializeComponent();
}
//整个窗口最小化，任务栏有图标显示
private void btnMin_Click(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Minimized;
}
//整个窗口隐藏，任务栏没有图标，隐藏在右下角的托盘
private void btnClose_Click(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Minimized;
this.Hide();
iconMain.Visible = true;
this.ShowInTaskbar = false;
}
//拖动panel就类似于拖动标题栏一样，能让整个窗口移动
private void panel1_MouseDown(object sender, MouseEventArgs e)
{
ReleaseCapture();
SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE HTCAPTION, 0);
}
#region 托盘
private void TrayIconClose()
{
iconMain.Dispose();
}
private void TrayIconShow()
{
iconMain.Visible = true;
this.ShowInTaskbar = false;
this.Hide();
}
private void TrayIconHide()
{
iconMain.Visible = false;
this.ShowInTaskbar = true;
this.Show();
this.WindowState = FormWindowState.Normal;
}
#endregion
#region 托盘菜单
private void tmExist_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void tmShow_Click(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Minimized)
TrayIconHide();
}
#endregion
private void myOpaqueLayer3_Click(object sender, EventArgs e)
{
if (!panel3.Controls.ContainsKey("Record"))
{
panel3.Controls.Clear();
rc.FormBorderStyle = FormBorderStyle.None; // 无边框
rc.TopLevel = false; // 不是最顶层窗体
panel3.Controls.Add(rc); // 添加到 Panel中
rc.Show(); // 显示
label8.Text = "出入记录";
}
}
private void myOpaqueLayer4_Click(object sender, EventArgs e)
{
panel3.Controls.Clear();
mi.FormBorderStyle = FormBorderStyle.None; // 无边框
mi.TopLevel = false; // 不是最顶层窗体
panel3.Controls.Add(mi); // 添加到 Panel中
mi.Show(); // 显示
label8.Text = "出入监视";
rc.Hide();
}
private void myOpaqueLayer5_Click(object sender, EventArgs e)
{
if (!panel3.Controls.ContainsKey("paleSubscribe"))
{
record r = new record();
panel3.Controls.Clear();
ps.FormBorderStyle = FormBorderStyle.None; // 无边框
ps.TopLevel = false; // 不是最顶层窗体
if (r.gettmppale().Length > 1)
{
ps.sur_comboBox.Text = r.gettmppale().Substring(0, 1);
ps.pale_textbox.Text = r.gettmppale().Substring(1, 6);
}
else
{
setPSclear();
}
ps.name_textBox.Text = "";
panel3.Controls.Add(ps); // 添加到 Panel中
ps.Show(); // 显示
ps.car_paleTableAdapter1.Fill(ps.paleDataSet3.car_pale); //刷新数据
label8.Text = "车牌预约";
rc.Hide();
}
}
private void MainForm_Load(object sender, EventArgs e)
{
mi.FormBorderStyle = FormBorderStyle.None; // 无边框
mi.TopLevel = false; // 不是最顶层窗体
panel3.Controls.Add(mi); // 添加到 Panel中
mi.Show(); // 显示
label8.Text = "出入监视";
rc.Hide();
}
private void btnMax_Click(object sender, EventArgs e)
{
if (this.WindowState != FormWindowState.Maximized)
{
this.WindowState = FormWindowState.Maximized;
Point pClose = new Point(panel1.Width panel1.Location.X - 40, panel1.Location.Y 10);
Point pMax = new Point(panel1.Width panel1.Location.X - 80, panel1.Location.Y 10);
Point pMin = new Point(panel1.Width panel1.Location.X - 120, panel1.Location.Y 10);
Point pPicbox1 = new Point(panel1.Width panel1.Location.X - 230, panel1.Location.Y 50);
Point pLabel2 = new Point(panel2.Width-400 , 8);
btnMin.Location = pMin;
btnMax.Location = pMax;
btnClose.Location = pClose;
pictureBox1.Location = pPicbox1;
label2.Location = pLabel2;
rc.dataGridView1.Height = 750;
ps.dataGridView1.Height = 750;
mi.groupBox1.Height = 850;
mi.listView2.Height = 820;
mi.groupBox1.Width =SW-mi.groupBox1.Location.X-300;
mi.listView2.Width = mi.groupBox1.Width-20;
mi.groupBox2.Height = SH-mi.groupBox2.Location.Y-200;
mi.listView1.Height = mi.groupBox2.Height-50;
}
else {
this.WindowState = FormWindowState.Normal;
Point pClose = new Point(panel1.Width panel1.Location.X - 40, panel1.Location.Y 10);
Point pMax = new Point(panel1.Width panel1.Location.X - 80, panel1.Location.Y 10);
Point pMin = new Point(panel1.Width panel1.Location.X - 120, panel1.Location.Y 10);
Point pPicbox1 = new Point(panel1.Width panel1.Location.X - 230, panel1.Location.Y 50);
Point pLabel2 = new Point(panel2.Width-300 , 8);
btnMin.Location = pMin;
btnMax.Location = pMax;
btnClose.Location = pClose;
pictureBox1.Location = pPicbox1;
label2.Location = pLabel2;
rc.dataGridView1.Height = 452;
ps.dataGridView1.Height = 452;
mi.groupBox1.Height = 549;
mi.listView2.Height = 511;
mi.groupBox1.Width = 860;
mi.listView2.Width = 847;
mi.groupBox2.Height = 147;
mi.listView1.Height = 105;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
label4.Text = "现在时间：" DateTime.Now.ToString();
}
private void setPSclear()
{
ps.sur_comboBox.Text = "";
ps.pale_textbox.Text = "";
ps.name_textBox.Text = "";
}
}
}
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