主题:高手帮忙!
static void Main()
{
bool a;
[u]Mutex b=new Mutex(true,"asd",out a);[/u] if(a)
{
Application.Run(new Form1());
b.ReleaseMutex();}
else{
MessageBox.Show("程序以运行","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);}
}
划线那句里中间"asd"有什么用?
{
bool a;
[u]Mutex b=new Mutex(true,"asd",out a);[/u] if(a)
{
Application.Run(new Form1());
b.ReleaseMutex();}
else{
MessageBox.Show("程序以运行","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);}
}
划线那句里中间"asd"有什么用?