ctypes

[hkimball]

I am having trouble with ctypes: i can load the third party dll, and
gain access to the function but the function calls do not actually
perform their intended purpose.  I have tried this in both interactive
mode and from a saved script.  I know that is a somewhat vague
description but any help would be greatly appreciated.

thanks
harold kimball
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ctypes

[hkimball]

I am trying to call a funtinon in  a third party dll that spawns
another exe and I am using ctypes.  Python does not complain at all
but the other process does not get spawned.  It appears that I am
gaining access to the functions but with no results.  Any ideas?
Thanks in advance.

>>> from ctypes import *
>>> cdecl = cdll.LoadLibrary("c:\projects\python\geinterface.dll")
>>> cdecl._GE_Connect
<_FuncPtr object at 0x00B7E378>
>>> cdecl._GE_Connect()
0
>>> cdecl._GE_IsConnected()
0
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ctypes and 3rd party dll

[hkimball]

I am trying to call a function in  a third party dll that spawns
anr exe and I am using ctypes.  Python does not complain at all
but the other process does not get spawned.  It appears that I am
gaining access to the functions but with no results.  Any ideas?
Thanks in advance.

>>> from ctypes import *
>>> cdecl = cdll.LoadLibrary("c:\projects\python\geinterface.dll")
>>> cdecl._GE_Connect

<_FuncPtr object at 0x00B7E378>
>>> cdecl._GE_Connect()
0
>>> cdecl._GE_IsConnected()

0
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ctypes

[hkimball]

I am trying to call a function in  a third party dll that spawns
an exe and I am using ctypes.  Python does not complain at all
but the other process does not get spawned.  It appears that I am
gaining access to the functions but with no results.  Any ideas?
Thanks in advance.

>>> from ctypes import *
>>> cdecl = cdll.LoadLibrary("c:\projects\python\geinterface.dll")
>>> cdecl._GE_Connect

<_FuncPtr object at 0x00B7E378>

>>> cdecl._GE_Connect()
0
>>> cdecl._GE_IsConnected()

0
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