SpPostMsg

This function posts a message to the message queue associated with the window defined by hwnd.

Syntax: success = spPostMsg ( hwnd , msgid [ , mparam1 [ , mparam2 ] ] )

Parameters:

• hwnd – Window handle or 0. If 0 then the message is posted into the queue associated with the current thread.
• msgid – Message identity.
• mparam1 – Parameter 1.
• mparam2 – Parameter 2.

Returns:

• True (1) – Message successfully posted
• False (0) – Message could not be posted; for example, because the message queue was full.

Example Code:

/* scclock.cmd (spUtils Example Code) */
/* Switches the Smartcenter (aka WarpCenter or eComCenter) clock by */
/* simulating a button click on the clock */

CALL RXFUNCADD 'spLoadFuncs','spUtils','spLoadFuncs'
CALL spLoadFuncs
CALL spSetAutoSleep 0
focus=spQueryFocus()
PARSE VALUE spQueryPointerPos() WITH xptrpos yptrpos

hwnd=spFindWindowHandle(,,,'SmartCenter',,'\PMSHELL.EXE')
IF hwnd=0 THEN DO
    SAY 'Smartcenter (WarpCenter or eComCenter) not found'
    RETURN 
END

xoffset=spQueryWindowPos(hwnd,'x')
yoffset=spQueryWindowPos(hwnd,'y')
xpos=spQueryWindowPos(hwnd,'cx')-5
ypos=5

CALL spSetPointerPos xoffset+xpos,yoffset+ypos
CALL spPostMsg hwnd,'WM_BUTTON1DOWN',spMPFROM2SHORT(xpos,ypos)
CALL spPostMsg hwnd,'WM_BUTTON1UP',spMPFROM2SHORT(xpos,ypos)
CALL spPostMsg focus,'WM_BUTTON1DOWN',spMPFROM2SHORT(0,0)
CALL spPostMsg focus,'WM_BUTTON1UP',spMPFROM2SHORT(0,0)
CALL spSetPointerPos xptrpos,yptrpos