DevExpress窗体加载等待

using DevExpress.XtraEditors;
using DevExpress.XtraSplashScreen;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace FirstDevExpressPro
{
    public partial class FrmMain : DevExpress.XtraEditors.XtraForm
    {
        public FrmMain()
        {
            InitializeComponent();

        }//加载窗体
        private void simpleButton1_Click(object sender, EventArgs e)
        {
            this.ShowWait<XtraForm1>();//通过扩展就可以直接通过this调用，XtraForm1为要打开的窗体的Name
        }
    }

    /// <summary>
    /// 通用窗体加载类
    /// </summary>
    public static class Common
    {
        /// <summary>
        /// 静态类中在Form前添加this表示扩展
        /// </summary>
        /// <typeparam name="T">泛型窗体</typeparam>
        /// <param name="form"></param>
        /// <param name="caption"></param>
        /// <param name="Description"></param>
        public static void ShowWait<T>(this Form form, String caption="加载中",string Description="请等待")
        {
            //设置淡入淡出效果,WaitForm1为DevXepress等待窗体控件（可以通过右键项目---》Add DevExpress Item---》New Item）
            SplashScreenManager splash = new SplashScreenManager(form, typeof(WaitForm1), true, true);
            splash.ShowWaitForm();//显示等待窗体
            splash.SplashFormStartPosition = SplashFormStartPosition.CenterScreen;
            splash.SetWaitFormCaption(caption);
            splash.SetWaitFormDescription(Description);
            #region 通过泛型和反射传递进来一个窗体类型
            Type type = typeof(T);//检测类型
            Form f = (Form)Activator.CreateInstance(type);//相当于new
            f.Show();
            #endregion
            splash.CloseWaitForm();//关闭等待窗体
        }
    }
}

上面封装了一个窗体加载等待的方法，我们通过他来打开一个比较耗时的窗体，先打开主窗体，然后点击加载窗体：

然后开始加载窗体，如下