Returns the HeaderFooterPicture that has been embedded in this section of the spreadsheet's header or footer, or null if there is no picture.

public HeaderFooterPicture GetPicture()
Public Function GetPicture() As HeaderFooterPicture

The picture that has been embedded in the footer or header as a HeaderFooterPicture object

HeaderFooterPicture pic = header.GetPicture();
Dim pic As HeaderFooterPicture = header.GetPicture()