Create another Excel instance

[Cy Edmunds]

"yvan" <yvan_charpentier at hotmail.com> wrote in message
news:9ee55987.0307101339.701965a7 at posting.google.com...
> I am using Excel to save data.
> Everything works as i intend it to if no other instance of Excel is
running.
> If another instance is running, it will do the job, but also close that
instance.
> How can i prevent that from happening?
>
> Here is the code that creates and deletes the instance:
> class CExcel:
>     def __init__(self, bVisible = 0):
>         import sys
>         import pythoncom
>         sys.coinit_flags = 0
>         pythoncom.CoInitializeEx(pythoncom.COINIT_MULTITHREADED)
>         import win32com.client.dynamic
>         self.xlApp = win32com.client.dynamic.Dispatch("Excel.Application")
>         self.xlApp.Visible = bVisible
>         self.xlBook = self.xlApp.Workbooks.Add()
>         self.xlSheet = self.xlApp.ActiveSheet
>
>     def __del__(self):
>         import pythoncom
>         if self.xlSheet != None:
>             del(self.xlSheet)
>         if self.xlBook != None:
>             self.xlBook.Close(0)
>             del(self.xlBook)
>         if self.xlApp != None:
>             self.xlApp.Quit()
>             del(self.xlApp)
>         pythoncom.CoUninitialize()
>
> Thank for your help,
>
> -Yvan

I haven't tried this myself but maybe...

if self.xlApp != None:
    nbook = self.xlApp.Workbooks.Count # number of open workbooks
    if nbook == 0:
        self.xlApp.Quit()

Let us know how you made out.

-- 
Cy
http://home.rochester.rr.com/cyhome/