//实例化一个窗口，窗口需要自己定义哦
SimpleLoading loadingfrm = new SimpleLoading(this);
//将Loaing窗口，注入到 SplashScreenManager 来管理
GF2Koder.SplashScreenManager loading = new GF2Koder.SplashScreenManager(loadingfrm);
loading.ShowLoading();
//try catch 包起来，进行异常处理
try
{
	//模拟耗时操作
	for (int i = 0; i < 20; i++)
	{
		Thread.Sleep(100);
	}
	
}
catch (Exception) { /*可选处理异常*/ }
finally { loading.CloseWaitForm(); }

public static bool flag = true;
private void button2_Click(object sender, EventArgs e)
{
	flag = true;//flag 为false时候，退出执行耗时操作

	MultiFuncLoading loadingfrm = new MultiFuncLoading(this);
	// 将Loaing窗口，注入到 SplashScreenManager 来管理
	GF2Koder.SplashScreenManager loading = new GF2Koder.SplashScreenManager(loadingfrm);
	loading.ShowLoading();
	// 设置loadingfrm操作必须在调用ShowLoading之后执行
	loadingfrm.SetTxt("多功能Loaidng界面", "拼命加载中...客官耐心等待", "Please Waitting...");
	// try catch 包起来，进行异常处理
	try
	{
		//模拟耗时操作
		for (int i = 0; i < 100; i++)
		{
			Thread.Sleep(100);
			loadingfrm.SetJD("当前："+i+"/总计：100","当前进度："+i);
			if (!flag) { break;/*用户点击取消执行后，跳出循环*/ }
		}

	}
	catch (Exception) { /*可选处理异常*/ }
	finally { loading.CloseWaitForm(); }
}