Releasing Excel Object from Memory in .NET

Releasing Excel Object from Memory / Task manager in .NET

Public Function Excel_Memory_Release(ByRef xla As Object, ByRef xlw As Object, ByRef xls As Object, Optional ByVal pSaveChanges As Boolean = True) As Boolean
        If Not IsNothing(xla) Then xla.DisplayAlerts = False
        If Not IsNothing(xlw) Then
            If Not pSaveChanges Then
                xlw.Close(savechanges:=False)
            Else
                xlw.close()
            End If
        End If
        xls = Nothing
        xlw = Nothing
        If Not IsNothing(xla) Then xla.Quit()
        If Not IsNothing(xla) Then System.Runtime.InteropServices.Marshal.ReleaseComObject(xla)
        xla = Nothing
        GC.Collect()
        Return True
    End Function