用WithEvents 定义对象出错,呀,求大家帮帮解决方案

用WithEvents 定义对象出错,急呀,求大家帮帮Dim WithEvents a As New Class1为何出错呀,编译就出错,把new

用WithEvents 定义对象出错,急呀,求大家帮帮
Dim WithEvents a As New Class1 为何出错呀,编译就出错, 把new 去掉可以,但我如何取得类class1 的对象实例呢 
  SET a= class1也不行呀

[解决办法]
两个关键字不能连用
Dim WithEvents a As Class1
Set a=New Class1