Dim xlApp As Excel.Application = New Excel.Application()
        Dim xlBook As Excel.Workbook

        Dim xlSheet As Excel.Worksheet

        xlBook = xlApp.Workbooks().Add
        xlSheet = xlBook.Worksheets("sheet1")

       Dim range As Excel.Range = xlSheet.Range(xlApp.Cells(4, 1), xlApp.Cells(4, 1))  '粘贴图片的位置
        xlSheet.Paste(range, im)  '将图片插入Excel