'宣言 Public MustOverride Function getDataType() As System.Integer
'使用法 Dim instance As DataBlk Dim value As System.Integer value = instance.getDataType()
public abstract System.int getDataType()
'宣言 Public MustOverride Function getDataType() As System.Integer
'使用法 Dim instance As DataBlk Dim value As System.Integer value = instance.getDataType()
public abstract System.int getDataType()