vb.net mdiform的父窗口调用子窗口的函数

2025-03-16 12:25:34
推荐回答(2个)
回答1:

既然子窗体都有同名函数,就应该对子窗体进行一层封装,子类实现不同方法

Public MustInherit Class AbstractChild
    Public MustOverride Sub Method1()
End Class

Public Class ChildClass1
    Inherits AbstractChild

    Public Overrides Sub Method1()
        MessageBox.Show("class1")
    End Sub
End Class

Public Class ChildClass2
    Inherits AbstractChild

    Public Overrides Sub Method1()
        MessageBox.Show("class2")
    End Sub
End Class

Public Class ChildClass3
    Inherits AbstractChild

    Public Overrides Sub Method1()
        MessageBox.Show("class3")
    End Sub
End Class
        Dim child1 As New ChildClass1()
        Dim child2 As New ChildClass2()
        Dim child3 As New ChildClass3()
        child1.Method1()
        child2.Method1()
        child3.Method1()

回答2:

不同的form中用同一个DIM 名,也不会发生冲突啊!!

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