是否有可能(使用COM和regasm.exe)使vba函数调用vb.net函数 - 它在vb.net中创建类,然后将该类传回vba,它被认为是一个vba类?在VB.net中创建VBA类
在VBA中,我可以使用Insert> Class Module来处理类。我已经创建了一个创建类的函数。
Private length As Double
Private height As Double
Public Sub init(ByRef hgt As Double)
height = hgt
length = dbl_height()
End Sub
Public Function dbl_height()
dbl_height = height * 2
End Function
我可以相应地使用此功能初始化:
Public Function CreateClassFunction(foo As Integer)
Dim my_rect As Rectangle
Set my_rect = New Rectangle
my_rect.init (foo)
Set CreateClassFunction = my_rect
End Function
我也可以做同样的事情在vb.net用几乎相同的代码。
Public Class Rectangle
Private length As Double
Private height As Double
Public Sub init(ByRef hgt As Double)
height = hgt
length = dbl_height()
End Sub
Public Function dbl_height()
dbl_height = height * 2
End Function
End Class
其中该vb.net函数创建类:
Public Function CreateClassFunction(foo As Integer) As Rectangle
Dim my_rect As Rectangle
my_rect = New Rectangle
my_rect.init(foo)
CreateClassFunction = my_rect
End Function
我可以在Variant /对象/矩形采用拉进VBA:
Function MyCreateClass(a As Double)
Dim classLib As New MyAnalytics.Class1
Set MyCreateClass = classLib.CreateClassFunction(a)
End Function
但是此对象不有高度或长度变量。 (报告说,监视窗口上的 “不变量”)
编辑:
每垫的马克杯答案修正代码:
Public Class Rectangle
Private plength As Double
Private pheight As Double
Public Property length() As Double
Get
Return plength
End Get
Set(ByVal value As Double)
plength = value
End Set
End Property
Public Property height() As Double
Get
Return pheight
End Get
Set(ByVal value As Double)
pheight = value
End Set
End Property
Public Sub init(ByRef hgt As Double)
height = hgt
length = dbl_height()
End Sub
Public Function dbl_height()
dbl_height = height * 2
End Function
End Class
和测试VBA:
Function MyCreateClass(a As Double)
Dim classLib As New MyAnalytics.Class1
Set MyCreateClass = classLib.CreateClassFunction(a)
Debug.Print MyCreateClass.Height()
Debug.Print MyCreateClass.length()
MyCreateClass.Height = 30
MyCreateClass.length = 20
Debug.Print MyCreateClass.Height()
Debug.Print MyCreateClass.length()
MyCreateClass.init (100)
Debug.Print MyCreateClass.Height()
Debug.Print MyCreateClass.length()
End Function
“长度”和“高度”属性是私人的,因此它们不会暴露在课程之外。 – OneFineDay
他们不是属性,他们是领域。不要公开领域。永远。 –