Add document to Spreadsheet via OLE

What is OLE object for Spreadsheet?

The OLE technology provided by Microsoft allows to insert some other document content into the cell that is previosly selected by RowIndex and ColumnIndex of the currently editing Excel spreadsheet. For example, the PDF document can be inserted in the Excel spreadsheet document as image link inside of predefined cell as was presented in the example below.

Add document to Spreadsheet via OLE

GroupDocs.Merger provides an ability to add other single document as embedded document to Presentation. 
Here are the steps for it:

The following code sample demonstrates how to add other single document as embedded document to Presentation:

int pageNumber = 2;
OleSpreadsheetOptions oleCellsOptions = new OleSpreadsheetOptions("c:\embedded.pdf", pageNumber);
oleCellsOptions.setRowIndex(2);
oleCellsOptions.setColumnIndex(2);

Merger merger = new Merger("c:\sample.xlsx");
{
    merger.importDocument(oleCellsOptions);
    merger.save("c:\output\result.xlsx");
}