Hi!
I am trying to use an ActiveX control (.OCX, from a piezo electric stage
controller)) from a Python program. I have managed to get the control to work,
but I am having problems calling a method.
This is the method in question (from the autogenerated typelib):
===
DISPMETHOD([dispid(20)], c_int, 'GetControlMode',
( [], c_int, 'lChanID' ),
( [], POINTER(c_int), 'plMode' )),
===
This is what I am doing trying to use the method (it should give me an integer):
===
mode = 0
mode_ptr = cast(mode, POINTER(c_int))
try:
piezo1.GetControlMode(APTPiezoLib.CHAN1_ID, mode_ptr)
except Exception, e:
print "Exception:", e
===
And I get:
===
Exception: Cannot put <comtypes._safearray.LP_c_long object at 0x012D9440> in
VARIANT
===i
I have no previous experience with comtypes or ctypes (or Win32 programming,
for that matter ;-)), so I might be doing something stupidly wrong. I've tried
all the permutations I could think of already, so I need expert help.
Thank you very much!
Bye & Good Luck!
Pablo Bianucci.
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