The MFC common window procedure automatically switches to the correct module state, so you do not need to worry about it in any message handlers implemented in your regular DLL.
MFC 的通用窗口过程会自动切换到正确的模块状态，因此您无需担心在规则DLL中实现的任何消息处理程序中的模块状态。
The MFC common window procedure automatically switches to the correct module state, so you do not need to worry about it in any message handlers implemented in your regular DLL.
MFC 的通用窗口过程会自动切换到正确的模块状态，因此您无需担心在规则DLL中实现的任何消息处理程序中的模块状态。
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