如何在Notepad/Notepad++中创建“查找表单”？C#

using System;
using System.Windows.Forms;

namespace FindFormExample
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void btnFind_Click(object sender, EventArgs e)
        {
            string searchText = txtSearch.Text;
            string replaceText = txtReplace.Text;
            string content = txtContent.Text;

            if (content.Contains(searchText))
            {
                content = content.Replace(searchText, replaceText);
                txtContent.Text = content;
            }
            else
            {
                MessageBox.Show("Search text not found.");
            }
        }
    }
}

using System;
using System.Windows.Forms;

namespace FindFormExample
{
    static class Program
    {
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new MainForm());
        }
    }
}

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Find Form" Height="300" Width="400">
    <Grid>
        <Label Content="Search Text:" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top"/>
        <TextBox x:Name="txtSearch" HorizontalAlignment="Left" Height="23" Margin="120,10,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/>
        <Label Content="Replace Text:" HorizontalAlignment="Left" Margin="10,40,0,0" VerticalAlignment="Top"/>
        <TextBox x:Name="txtReplace" HorizontalAlignment="Left" Height="23" Margin="120,40,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/>
        <Button x:Name="btnFind" Content="Find and Replace" HorizontalAlignment="Left" Margin="10,70,0,0" VerticalAlignment="Top" Width="310" Click="btnFind_Click"/>
        <Label Content="Content:" HorizontalAlignment="Left" Margin="10,100,0,0" VerticalAlignment="Top"/>
        <TextBox x:Name="txtContent" HorizontalAlignment="Left" Height="150" Margin="10,120,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="370"/>
    </Grid>
</Window>

csc /target:winexe /out:FindFormExample.exe FindFormExample.cs Program.cs /reference:System.Windows.Forms.dll /reference:System.Drawing.dll

FindFormExample.exe