public class test
{
BackgroundWorker _Init = new BackgroundWorker();
public void CarouselInit()
{
_Init.DoWork += new DoWorkEventHandler(_DoWork_Init);
_Init.RunWorkerAsync();
}
void _DoWork_Init(object sender, DoWorkEventArgs e)
{
}
}
如上代码,当第二次调用CarouselInit()时,_DoWork_Init会被执行两次,那么,该怎么判断_Init.DoWork已经绑定了一个方法呢?
请大侠们教诲教导啊!
------解决方案--------------------------------------------------------
加一个全局变量
private bool bInited=false;
public class test
{
BackgroundWorker _Init = new BackgroundWorker();
private bool bInited=false;
public void CarouselInit()
{
if(!bInited)
{
bInited=true;
_Init.DoWork += new DoWorkEventHandler(_DoWork_Init);
}
_Init.RunWorkerAsync();
}
void _DoWork_Init(object sender, DoWorkEventArgs e)
{
}
}
------解决方案--------------------------------------------------------
http://blog.csdn.net/jinjazz/article/details/2514108
------解决方案--------------------------------------------------------
哥们 你不会在构造时候来注册方法啊
------解决方案--------------------------------------------------------
http://www.cnblogs.com/lujin49/archive/2012/02/23/2364185