在Python中接收WM_COPYDATA

import win32con
import win32gui
import win32api
import struct

def receive_wm_copydata(hwnd, msg, wparam, lparam):
    # 解析lparam参数中的数据
    copydata = win32gui.PyCOPYDATASTRUCT.from_address(lparam)
    data = copydata.data.decode('utf-8')
    
    # 处理接收到的数据
    print("Received data:", data)
    
    # 返回1表示消息已处理
    return 1

def main():
    # 创建一个窗口并注册消息处理函数
    wndclass = win32gui.WNDCLASS()
    wndclass.lpfnWndProc = receive_wm_copydata
    wndclass.lpszClassName = "MyWindowClass"
    hinst = wndclass.hInstance = win32api.GetModuleHandle(None)
    classAtom = win32gui.RegisterClass(wndclass)
    hwnd = win32gui.CreateWindow(
        classAtom,
        "My Window",
        0,
        0,
        0,
        win32con.CW_USEDEFAULT,
        win32con.CW_USEDEFAULT,
        0,
        0,
        hinst,
        None
    )
    
    # 开始消息循环
    win32gui.PumpMessages()

if __name__ == '__main__':
    main()