C#匿名方法增加、删除委托
2012-12-11 10:51 starlet 阅读(1393) 评论(0) 收藏 举报匿名方法给我们带来了方便,那么如何增加删除匿名方法中附加的委托(事件)呢
一般写法:
this.Loaded += (sender, e) =>
{
//Do something
};
进化写法:
this.Loaded += new RoutedEventHandler(FormulaAssign_Loaded);
void FormulaAssign_Loaded(object sender, RoutedEventArgs e)
{
this.Loaded -= new RoutedEventHandler(FormulaAssign_Loaded);
//do something
}
优化写法:
RoutedEventHandler eventHander = null;
eventHander = (object sender, RoutedEventArgs e) =>
{
//do something
this.Loaded -= eventHander;
};
this.Loaded += eventHander;
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