Note
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Sends a message to the specified control.
virtual LRESULT SendDlgItemMessage( 
   int nID, 
   UINT message, 
   WPARAM wParam, 
   LPARAM lParam  
);
Parameters
nID
Specifies the identifier of the control that receives the message.message
Specifies the message to be sent.wParam
Specifies additional message-specific information.lParam
Specifies additional message-specific information.
Requirements
Header: afxocc.h