public class RV
dim g as graphics
public sub new(Grphics as graphics)
g=graphics
end sub
public sub new()
...
end sub
public sub ******
end sub
......
end class
以上是一个不完全类,当定义dim s as RV时,新建一个类型,但并不引发new事件,记住new中是可以写很多运行代码,
如果定义dim s as new Rv(me.creategraphics),或者定义dim s as new RV()则分别进行类初始化new(of Graphics),或者new()