WindowsXP / CTypes Module - unable to access function in a dll

dudeja.rajat at gmail.com dudeja.rajat at gmail.com
Tue Aug 19 12:11:56 CEST 2008


On Tue, Aug 19, 2008 at 11:04 AM,  <dudeja.rajat at gmail.com> wrote:
> Hi,
>
> I'm using the CTYPES module of python to load a dll. My dll contains a
> Get_Version function as:
> long __stdcall af1xEvdoRDll_GetVersion(long version[4]);
>
> This function accepts a long array of 4 elements.
>
> Following is the python code I've written:
>
> from ctypes import *
> abc =  windll.af1xEvdoRDll
> GetVersion = abc.af1xEvdoRDll_GetVersion
> print GetVersion
> versionArr = c_long * 4                #array of 4 longs
> version = versionArr(0, 0, 0, 0)     # initializing all elements to 0
> GetVersion(version)                    #calling dll function
> print version
>
> I'm getting the following output:
> <_FuncPtr object at 0x00A1EB70>
> <__main__.c_long_Array_4 object at 0x00A86300>
>
> But I'm not getting the desired output which I expect as : 2.1.5.0
>
>
> Please suggest what am I missig?
>

Sorry, the problem is resolved. The code in fact is correct and I got
the right answers. It is just that I was not priting results in a
right manner.
I added : print i in version : print i

this solved my problem.

Cheers.



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