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Called by the framework to route and dispatch command messages and to update command user-interface objects.
virtual BOOL OnCmdMsg(
UINT nID,
int nCode,
void* pExtra,
AFX_CMDHANDLERINFO* pHandlerInfo
);
Parameters
[in] nID
The command ID.[in] nCode
Identifies the command notification code. See CCmdTarget::OnCmdMsg for more information about values for nCode.[in] pExtra
Used according to the value of nCode. See CCmdTarget::OnCmdMsg for more information about pExtra.[in, out] pHandlerInfo
Typically, this parameter should be NULL.If not NULL, OnCmdMsg fills in the pTarget and pmf members of the pHandlerInfo structure instead of dispatching the command.
Return Value
Nonzero if the message is handled; otherwise 0.
Requirements
Header: afxmdiframewndex.h