'宣言 Public Shared ReadOnly Property PngExportProvider As PngExportProvider
'使用法 Dim value As PngExportProvider value = ExportProviders.PngExportProvider
public static PngExportProvider PngExportProvider {get;}
'宣言 Public Shared ReadOnly Property PngExportProvider As PngExportProvider
'使用法 Dim value As PngExportProvider value = ExportProviders.PngExportProvider
public static PngExportProvider PngExportProvider {get;}