'宣言 Public Shared ReadOnly XlsxExportProvider As XlsxExportProvider
'使用法 Dim value As XlsxExportProvider value = ExportProvider.XlsxExportProvider
public static readonly XlsxExportProvider XlsxExportProvider
'宣言 Public Shared ReadOnly XlsxExportProvider As XlsxExportProvider
'使用法 Dim value As XlsxExportProvider value = ExportProvider.XlsxExportProvider
public static readonly XlsxExportProvider XlsxExportProvider