Data

public byte[] Data { get; set; }

[C#]
//实例化一个工作簿对象
Workbook workbook = new Workbook();
Worksheet worksheet = workbook.Worksheets[0];
//插入第一张图片
int imgIndex1 = worksheet.Pictures.Add(1, 1, "example1.png");
//获取插入的图片对象
Picture pic1 = worksheet.Pictures[imgIndex1];
//插入第二张图片
int imgIndex2 = worksheet.Pictures.Add(1, 9, "example2.jpeg");
//获取插入的图片对象
Picture pic2 = worksheet.Pictures[imgIndex2];
//将第一张图片的字节数据赋值给第二张图片
pic2.Data = pic1.Data;
//保存excel文件。
workbook.Save("result.xlsx");