msgs12.hlp (Topic list)
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MLN_MARGIN (1.2)
Notification Group  Overview                      Up Next Previous
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#define INCL_WINMLE
 
WM_CONTROL
id = (USHORT) SHORT1FROMMP(mp1);         /* MLE-window ID            */
usNotifyCode = MLN_MARGIN;
pmrg = (PMARGSTRUCT) PVOIDFROMMP(mp2);   /* pointer to MLEMARGSTRUCT */
 
The MLN_MARGIN notification message is sent when the mouse moves over one of
the margins of a multiple-line entry field (MLE).
 
Parameter     Description
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id            Low word of mp1. Identifies the MLE window.
 
usNotifyCode  High word of mp1. Set to MLN_MARGIN.
 
pmrg          Low and high word of mp2. Points to the MLEMARGSTRUCT
              structure that contains the margin data.
 
Return Value
 
An application should return zero if you want the MLE to process this
message.
 
See Also
 
WM_CONTROL, MLEMARGSTRUCT