[]
Gets or sets the background image data of the worksheet.
Gets a byte array that contains the worksheet background image data, or an empty byte array if no background image is set. Set a byte array that contains the background image data, or null to remove the background image.
byte[] BackgroundPicture { get; set; }
Property BackgroundPicture As Byte()
byte[] picture = File.ReadAllBytes("background.png");
worksheet.BackgroundPicture = picture;
byte[] backgroundPicture = worksheet.BackgroundPicture;