'宣言 Public MustOverride Function GetText() As System.String
'使用法 Dim instance As TextFieldBase Dim value As System.String value = instance.GetText()
public abstract System.string GetText()
'宣言 Public MustOverride Function GetText() As System.String
'使用法 Dim instance As TextFieldBase Dim value As System.String value = instance.GetText()
public abstract System.string GetText()