![](dotnetdiagramimages/C1_WPF_Document_C1_WPF_Document_Export_PngExportProvider.png)
'宣言 Public Class PngExportProvider Inherits RasterImageExportProvider
'使用法 Dim instance As PngExportProvider
public class PngExportProvider : RasterImageExportProvider
System.Object
C1.WPF.Document.Export.ExportProvider
C1.WPF.Document.Export.RasterImageExportProvider
C1.WPF.Document.Export.PngExportProvider