'宣言 Public Overrides Function GetContext() As C1DocumentSourceContext
'使用法 Dim instance As C1PdfDocumentSource Dim value As C1DocumentSourceContext value = instance.GetContext()
public override C1DocumentSourceContext GetContext()
'宣言 Public Overrides Function GetContext() As C1DocumentSourceContext
'使用法 Dim instance As C1PdfDocumentSource Dim value As C1DocumentSourceContext value = instance.GetContext()
public override C1DocumentSourceContext GetContext()