'宣言 Public MustInherit Class DataMatrixBaseBuilder (Of TControl As DataMatrixBase, TBuilder As DataMatrixBaseBuilder(Of TControl,TBuilder)) Inherits BarcodeBaseBuilder(Of TControl,TBuilder)
public abstract class DataMatrixBaseBuilder<TControl,TBuilder> : BarcodeBaseBuilder<TControl,TBuilder> where TControl: DataMatrixBase where TBuilder: DataMatrixBaseBuilder<TControl,TBuilder>