vb.net - assign value without open excel file -

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imports microsoft.office.core imports microsoft.office.interop imports microsoft.office.interop.excel

i have code:

dim oapp new excel.application() dim wb excel.workbook  wb = oapp.workbooks.open("d:\noriamail\23120011\lpo summary per month_view 3 - allmonths.xlsx")

can tell me how can assign value wb witout open file (i want function give wb value without open file)
thank's help

what type of value want "assign"? sort of metadata? in experience, code above correct way open file; there, can begin manipulating file.


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