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Create a wrapped function that either creates and returns a new instance of the C++ class, or one that returns an existing instance if that is more appropriate. The SWIG wrapper for that function will take care of creating a Python proxy object to wrap around the returned C++ instance.
Just like in Python, C++ objects "inherit" all of the methods defined by their parent class(es). So, for example, the wxFrame class is based on the wxWindow class, the wxEvtHandler class, and the wxObject class.
3 lut 2015 · I have a wx.TreeCtrl and want to make a real copy of it. I've tried it with CopyOfTree = copy.deepcopy(self.myTreeCtrl) but this doesn't work. Is there a way to deep copy the TreeCtrl?
C++ object and just merged together in the Python proxy class. If it's a pure Python class then you'll want to use the Python C API to lookup and invoke methods of the Python class using the "result" PyObject.
Extending wxPython with C++ or Wrapping wxWidgets C++ Classes with wxPython. Either way you look at it, it's the same thing, you have some c++ code that you want to be made available to your wxPython programs. This example uses the wxPython build mechanism and includes your sources.
Many of the C++ objects wrapped by wxPython use a technique known as reference counting, also known as copy on write (COW). This means that when an object is assigned to another, no copying really takes place.
class ListControlMeta (type (wx.Frame), type (CopyAndPaste)): TypeError: Error when calling the metaclass bases. multiple bases have instance lay-out conflict. And, mind you, all I wanted to do was inherit from two classes: wxPython’s wx.Frame and my CopyAndPaste.
