A possible way is to override the ActivateFrame member function of CMDIChildWnd and from there to send a message to the main frame for selecting the required toolbar.
一个可能的方法是重载CMDIChildWnd类的ActivateFrame成员函数，从中为选择所需的工具栏向主框架发送一个消息。
A possible way is to override the ActivateFrame member function of CMDIChildWnd and from there to send a message to the main frame for selecting the required toolbar.
一个可能的方法是重载CMDIChildWnd类的ActivateFrame成员函数，从中为选择所需的工具栏向主框架发送一个消息。
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