vb6不支持多重接口继承

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VB6 如何实现多重接口继承 [问题点数:20分,结帖人xxyj6450]
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@H_502_503@
#4 得分:5 回复于: 2009-09-20 12:24:55
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'---------------------------------------------------------------------------------------
'Module:Class1
'Author:Anna
'Date:2009-9-20
'Purpose:Abstractclass
'---------------------------------------------------------------------------------------
Option Explicit
Public Sub M1()
End Sub


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'---------------------------------------------------------------------------------------
'Module:Class2
'Author:Anna
'Date:2009-9-20
'Purpose:ImplementsClass1
'---------------------------------------------------------------------------------------
Option Explicit
Implements Class1
Private Sub Class1_M1()
Debug.Print "Class2'simplementationofClass1'sM1"
End Sub
Public Sub M2()
End Sub


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'---------------------------------------------------------------------------------------
'Module:Class3
'Author:Anna
'Date:2009-9-20
'Purpose:ImplementsClass1andClass2
'---------------------------------------------------------------------------------------
Option Explicit
Implements Class1
Implements Class2
Private Sub Class1_M1()
Debug.Print "Class3'simplementationofClass1'sM1"
End Sub
Private Sub Class2_M2()
Debug.Print "Class3'simplementationofClass2'sM2"
End Sub


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'---------------------------------------------------------------------------------------
'Module:Module1
'Author:Anna
'Date:2009-9-20
'Purpose:TestMulti-Inheritance
'---------------------------------------------------------------------------------------
Option Explicit
Sub Test_MultiInherit()
Dim aa As Class1
Dim bb As Class2
Dim cc As Class3
Set cc= New Class3
Set bb=cc
Call bb.M2
Set bb= Nothing
Set aa=cc
Call aa.M1
Set aa= Nothing
Set cc= Nothing
End Sub
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@H_465_5027@
#37 得分:0 回复于: 2009-09-28 13:41:58
回复于2009-09-29 09:21:51被版主删除
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