有沒有辦法使用已經宣告公共變數的 If 陳述句來定義類屬性?
讓我有一個這樣定義的類:
Public Class SomeDude
Property strName As String
Property datBirth As Date
End Class
反正有沒有這樣的東西:
Public Class SomeDude
Property strName As String
If strPublicVariable = "foo" then
Property datBirth As Date
Else
Property strBirth As String
End If
End Class
uj5u.com熱心網友回復:
不,您必須宣告型別。
或者您必須使用指令使其編譯時間 https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/directives/if-then-else-directives
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