WinformsApp1/WinFormsApp1/Form1.cs

using System;
using System.Windows.Forms;

namespace WinFormsAppTemplate
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            // 设置窗体图标
            try
            {
                this.Icon = new Icon("app.ico");
            }
            catch
            {
                // 如果图标文件不存在或格式错误，忽略
            }
        }

        private void btnBrowseSource_Click(object sender, EventArgs e)
        {
            using (FolderBrowserDialog dialog = new FolderBrowserDialog())
            {
                dialog.Description = "选择文件夹";
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    txtSourcePath.Text = dialog.SelectedPath;
                    Log($"选择的文件夹: {dialog.SelectedPath}");
                }
            }
        }

        private void btnBrowseOutput_Click(object sender, EventArgs e)
        {
            using (FolderBrowserDialog dialog = new FolderBrowserDialog())
            {
                dialog.Description = "选择输出文件夹";
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    txtOutputPath.Text = dialog.SelectedPath;
                    Log($"输出文件夹: {dialog.SelectedPath}");
                }
            }
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            txtSourcePath.Clear();
            txtOutputPath.Clear();
            txtLog.Clear();
            progressBar.Value = 0;
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void btnMerge_Click(object sender, EventArgs e)
        {
            MessageBox.Show("这是一个模板项目\n\n功能：\n• 单exe打包\n• 应用图标配置\n• UI按钮图标\n• 环境检测\n\n请在此基础上开发你的具体功能", "模板项目", MessageBoxButtons.OK, MessageBoxIcon.Information);
            Log("模板功能演示");
        }

        private void Log(string msg)
        {
            txtLog.AppendText($"{msg}\r\n");
            txtLog.ScrollToCaret();
            Application.DoEvents();
        }
    }
}