Creates a new instance of the C1PrintDocument class, and loads the document from the specified file. The persistence format (C1DocumentFormatEnum.C1d or C1DocumentFormatEnum.C1dx) is determinated by the file extension. If the format cannot be determined by the extension, the C1DocumentFormatEnum.C1d format is used.

'宣言
 
Public Overloads Shared Function FromFile( _
   ByVal fileName As System.String _
) As C1PrintDocument

'使用法
 
Dim fileName As System.String
Dim value As C1PrintDocument
 
value = C1PrintDocument.FromFile(fileName)

public static C1PrintDocument FromFile( 
   System.string fileName
)