Get Event Mask - SENDMSG() Function 21
Syntax
EMASK$=SENDMSG(sysgui,id,21,0,$$)
Description
This version of the SENDMSG() function returns a four-byte string that contains the event mask of the id-specified window or child window.
|
Parameter |
Description |
|---|---|
|
sysgui |
Valid SYSGUI channel. |
|
id |
Child window ID, or if 0 is used, the current window. |
|
21 |
SENDMSG function number |
|
0 |
Always 0. |
|
$$ |
Always null. |