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#define INCL_WINENTRYFIELDS
 
WM_CONTROL
id = (USHORT) SHORT1FROMMP(mp1);    /* control-window ID */
usNotifyCode = CBN_SHOWLIST;
 
The CBN_SHOWLIST notification message is sent when the combination-box list
is shown (dropped down).
 
Parameter     Description
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id            Low word of mp1. Identifies the control window.
 
usNotifyCode  High word of mp1. Set to CBN_SHOWLIST.
 
Return Value
 
An application should return zero if it processes this message.
 
See Also
 
WM_CONTROL
 
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