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类文件：(class1)
imports system
imports system.reflection
<attributeusage(attributetargets.all, allowmultiple:=true, inherited:=true)> _
public class class1
inherits system.attribute
private familyname as string
private givenname as string
public sub new(byval familyname as string)
me.familyname = familyname
end sub
public overrides function tostring() as string
return string.format("author:{0}{1}", familyname, givenname)
end function
public property family() as string
get
return familyname
end get
set(byval value as string)
familyname = value
end set
end property
public property given() as string
get
return givenname
end get
set(byval value as string)
givenname = value
end set
end property
end class
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使用自定义属性的文件（form3.vb）
<class1("watkins", given:="damien"), class1("abrams")> _
public class form3
inherits system.windows.forms.form
private sub button1_click(byval sender as system.object, byval e as system.eventargs) handles button1.click
dim t as type = type.gettype("windowsapplication6.form3")
dim attributes as object() = t.getcustomattributes(true)
console.writeline("custom attributes are: ")
for each o as object in attributes
console.writeline(o)
next
end sub
end class
