程序代码：

using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace LandLoadExample
{
    static class Program
    {
        static FrmMain mainForm;
        static FrmLand landForm;

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            mainForm = new FrmMain();
            mainForm.VisibleChanged += new EventHandler(mainForm_VisibleChanged);
            mainForm.Visible = false;
            landForm = new FrmLand();
            landForm.LogSuccess += new EventHandler(landForm_LogSuccess);

            Application.Run(mainForm);
        }

        static void mainForm_VisibleChanged(object sender, EventArgs e)
        {
            landForm.ShowDialog();
        }

        static void landForm_LogSuccess(object sender, EventArgs e)
        {
            mainForm.Visible = true;
            landForm.Close();
        }
    }
}

程序代码：

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

namespace LandLoadExample
{
    public partial class FrmLand : Form
    {
        public FrmLand()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 自定义的LogSuccess事件
        /// </summary>
        public event EventHandler LogSuccess;

        /// <summary>
        /// 单击OK按钮事件处理
        /// </summary>
        /// <param name="sender">窗体</param>
        /// <param name="e">未使用</param>
        private void btnOk_Click(object sender, EventArgs e)
        {
            if (this.LogSuccess != null)
            {
                this.LogSuccess(this, new EventArgs());
            }
        }
    }
}

LandLoadExample.zip (43.69 KB)