WSHCommon/Common/CommonFroms/G2D/G2DSearchDialog.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace CommonFroms.G2D
{
    public partial class G2DSearchDialog : Form
    {
        private static string last_find_text = "";
        public G2DSearchDialog()
        {
            InitializeComponent();
            this.textBox1.Text = last_find_text;
            this.textBox1.SelectAll();
            this.textBox1.Focus();
        }

        private void G2DSearchDialog_Shown(object sender, EventArgs e)
        {
            textBox1.Focus();
        }
        private void G2DSearchDialog_FormClosed(object sender, FormClosedEventArgs e)
        {
            last_find_text = textBox1.Text;
        }

        public string GetText()
        {
            return textBox1.Text;
        }

        private void findOver(object finded)
        {
            if (finded == null)
            {
                lbl_status.ForeColor = Color.Red;
                lbl_status.Text = "未找到";
            }
            else
            {
                lbl_status.ForeColor = Color.Black;
                lbl_status.Text = finded.ToString();
            }
        }

        //----------------------------------------------------------------------------------

        public delegate object OnFindNextClicked(string text);
        public delegate object OnFindPrevClicked(string text);
        public delegate object OnFindClicked(string text);

        public event OnFindNextClicked FindNextClicked;
        public event OnFindPrevClicked FindPrevClicked;
        public event OnFindClicked FindClicked;

        private void button_next_Click(object sender, EventArgs e)
        {
            if (FindNextClicked != null)
            {
                object finded = FindNextClicked.Invoke(GetText());
                findOver(finded);
            }
        }
        private void button_prev_Click(object sender, EventArgs e)
        {
            if (FindPrevClicked != null)
            {
                object finded = FindPrevClicked.Invoke(GetText());
                findOver(finded);
            }
        }

        private void button_find_Click(object sender, EventArgs e)
        {
            if (FindClicked != null)
            {
                object finded = FindClicked.Invoke(GetText()); 
                findOver(finded);
            }
        }

        private void button_close_Click(object sender, EventArgs e)
        {
            this.Close();
        }


        //----------------------------------------------------------------------------------

    }
}