c# Winform只能运行一个实例源码

Winform只能运行一个实例

http://www.cnblogs.com/benben7466/archive/2009/07/10/1520724.html
http://blog.csdn.net/xiekun2008/archive/2008/11/26/3381159.aspx



1、
static void Main()     
{
    bool initiallyOwned = true;
    bool isCreated;
    Mutex m = new Mutex(initiallyOwned,"MyTest",out isCreated);
    if (!(initiallyOwned && isCreated))
    {
        MessageBox.Show("已经有相同的实例在运行。","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
        Application.Exit();
    }
    else
    {
        Application.Run(new MainForm());
    }
}



2、
   static void Main()     
        {  
            int   ProceedingCount   =   0;