using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace JJMediSys
{
    public partial class ReadBarcode : Form
    {
        [DllImport("user32.dll")]//*********************拖动无窗体的控件
        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;

        public ReadBarcode()
        {
            InitializeComponent();
        }

        private void ReadBarcode_Load(object sender, EventArgs e)
        {
            int x = (Screen.PrimaryScreen.WorkingArea.Width - this.Width) / 2;
            int y = (Screen.PrimaryScreen.WorkingArea.Height - this.Height) / 2;
            this.Location = new Point(x, y);
            TextInput.Focus();
        }

        private void ReadBarcode_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
        }

        private void PicClose_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            this.Close();
        }

        private void TextInput_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 13)
            {
                string currentInput = TextInput.Text.Trim();
                if (string.IsNullOrWhiteSpace(currentInput))
                {
                    return;
                }
                DialogResult = DialogResult.OK;
                this.Close();

            }
        }

        private void BYes_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            this.Close();
        }

        // 定义一个属性来获取用户输入的字符串
        public string InputString
        {
            get { return TextInput.Text; }  // 假设你的TextBox名字是textBoxInput
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            TextInput.Focus();
        }
    }
}