EM_SETEVENTMASK Overview  Group

The EM_SETEVENTMASK message sets the event mask for a rich edit control. The event mask specifies which notification messages the control sends to its parent window.

EM_SETEVENTMASK 

wParam = 0; 

lParam = (LPARAM) (DWORD) dwMask; 

 

Parameters

dwMask

New event mask for the rich edit control.

Return Values

Returns the previous event mask.

Remarks

The default event mask (before any is set) is ENM_NONE.