using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;
namespace MyCommanHelper
{
public class ApplicationHelper
{
/// <summary>
/// 线程只运行一次
/// </summary>
/// <param name="frm">对话框程序</param>
/// <param name="sProductName">产品名</param>
/// <returns></returns>
public static void RunOnlyOnce(Form frm, string sProductName)
{
bool createdNew = false;
Mutex mutex = new Mutex(true, sProductName, out createdNew);
if (createdNew)
{
Application.Run(frm);
mutex.ReleaseMutex();
mutex.Close();
mutex.Dispose();
}
else
{
MessageBoxHelper.ShowInfoMessage(sProductName + "已经启动!");
}
}
/// <summary>
/// 设置漏斗光标
/// </summary>
public static void SetWaitCursor()
{
Cursor.Current = Cursors.WaitCursor;
}
/// <summary>
/// 设置光标为默认值
/// </summary>
public static void ResetCursor()
{
Cursor.Current = Cursors.Default;
}
/// <summary>
/// 处理当前在消息队列中的所有 Windows 消息。
/// </summary>
public static void DoEvents()
{
Application.DoEvents();
}
}
}
转载于:https://www.cnblogs.com/shenchao/p/3673950.html
相关资源：JAVA上百实例源码以及开源项目
