Hello,
I am using a call to a windows function via ctypes to retrieve a pointer to
the IDispatch interface of an Excel application, something like:
oledll.oleacc.AccessibleObjectFromWindow(hnd, OBJID_NATIVEOM,
byref(automation.IDispatch._iid_), byref(pointer_idispatch))
where hnd is the window handle to the proper excel window.
In the variable result (with type POINTER(IUnknown)), I have the pointer to
the interface.
Currently, to be able to call methods/properties on this COM object, I call
the "wrap" function from the comtypes.client library and then use the COM
object, something like:
app = wrap( pointer_idispatch )
print app.Application.Name '==> "Microsoft Excel"
app.Application.ActiveWorkbook.ActiveSheet.Cells(1,1).Value[()] = 1
However, this is slow (a coupe of seconds to do the wrap) and the resulting
object is less friendly to use than the COM object I can get with win32.
For instance, i need to use
app.Application.ActiveWorkbook.ActiveSheet.Cells(1,1).Value[()] = 1
instead of
app.Application.ActiveWorkbook.ActiveSheet.Cells(1,1).Value = 1
So my question, how could I instantiate a COM IDispatch object from win32
(equivalent of 'app' hereabove) when I have the pointer to the IDispatch
interface ('pointer_idispatch' hereabove) ?
thank you
Sebastien
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