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Asked: 2026-05-11T01:01:26+00:00

I have the following in a program (written in VB.NET): Imports Microsoft.Office.Interop.Excel Public Class

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I have the following in a program (written in VB.NET):

Imports Microsoft.Office.Interop.Excel  Public Class Form1     Dim eApp As New Excel.Application     Dim w As Excel.Workbook     w = eApp.Workbooks.Open( 'path.xls', ReadOnly:=True)     .. Processing Code ..     //Attempts at killing the excel application     w.Close()     eApp.Workbooks.Close()     eApp.Quit() End Class

When I run this a couple of times, I get a bunch of EXCEL.EXE instances in my task manager. How can I kill these processes in code? All of the ones in the code have been tried and did not work.

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  1. I had to do this a while back in NET 1.1, so please forgive the rust.

    On the eApp, there was a Hwind (a win32 window handle – http://msdn.microsoft.com/en-us/library/bb255823.aspx ) or similar object. I had to use that and a pInvoke (http://www.pinvoke.net/default.aspx/user32.GetWindowThreadProcessId ) to get the process id. With that I was able to do a Process.Kill() on the exe.

    There maybe a better way to do it now, but this should work.

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