Nov-15-2019, 12:54 PM
I'm using comtypes to call a COM method (with no arguments), however I get an "exception: access violation reading".
When using win32com it Works:
When using win32com it Works:
import win32com.client import pywintypes result=win32com.client.Dispatch("{9275351B-0F06-366F-A560-933FED81FECF}") result.AutomationMyType()Result:
Output:('text1', 'text2',...,'text99')
When using comtypes it doesn't work:import comtypes import comtypes.client as cc tlb_id = comtypes.GUID("{40B0E4AB-2B70-4142-91A3-839CD72EA140}") cc.GetModule((tlb_id, 1, 0)) obj=cc.CreateObject("ActLifeVBA.VBA.AutomationAktuar") obj.AutomationMyType()Result:
Error:Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Program Files\Python37\lib\site-packages\comtypes\safearray.py", line 223, in __ctypes_from_outparam__
return self[0]
File "C:\Program Files\Python37\lib\site-packages\comtypes\safearray.py", line 214, in __getitem__
return self.unpack()
File "C:\Program Files\Python37\lib\site-packages\comtypes\safearray.py", line 260, in unpack
for d in range(1, dim+1)]
File "C:\Program Files\Python37\lib\site-packages\comtypes\safearray.py", line 260, in <listcomp>
for d in range(1, dim+1)]
File "C:\Program Files\Python37\lib\site-packages\comtypes\_safearray.py", line 97, in SafeArrayGetLBound
_SafeArrayGetLBound(pa, dim, result)
OSError: exception: access violation reading 0x0000020C5073FFFC
Any ideas?