给定（纯win32）列表视图的HWND，我如何获取其项目？

Question

I would like to inspect the contents of a multi-column list view that is part of another application. I would like to get its rows with columns being separately accessible. I have the HWND of the control. The listview in question is the one that commctl32.dll provides. So far I've been looking at this article but I'm a bit confused about it, and this looks like the more "arcane" parts of the WinAPI. Any help would be appreciated.

Answer 1

The article that you link to covers list view handling when the control is in your process. Things are complicated for a list view in a different process. In that scenario the messages you need involves pointers to structs, for instance pointers to LVITEM structs. The system won't marshal these pointers across the process boundary. So in order to make this work you need to allocate memory in the virtual address space of the other process. That involves calls to OpenProcess , VirtualAllocEx , WriteProcessMemory and ReadProcessMemory . Not much fun. There are many examples of this process available on the web, and I don't want to add another one here.

However, this is the wrong way to tackle the problem. You should use one of the automation interfaces to automate this other application. Start by looking at UI Automation .