OpenEuphoria

RE: Help with w32Func(xSendMessage,{})

• Posted by "Derek Parnell" <ddparnell at bigpond.com> Mar 22, 2004
• 456 views

> -----Original Message-----
> From: CoJaBo [mailto:cojabo at suscom.net]
> Subject: Help with w32Func(xSendMessage,{})
>
>
>
> I am using w32Func(xSendMessage,{control,message,w,l}) to
> send a simple
> command to another program.
> I have a few questions:
> w32Func(xSendMessage,{control,message,w,l})
> Is there any way to set control to send to all main program windows?

The 'control' parameter is the handle of a control. AFAIK, you can use
HWND_BROADCAST to send to all main windows currently running.

> What can I use for message that won't happen normally and won't mess

You can define your own message types. See win32lib to see how we defined
one for searching...

    FINDMSGSTRING       = w32acquire_mem(0, "commdlg_FindReplace"),
    w32FindReplaceMsg   = w32Func( RegisterWindowMessage, {
FINDMSGSTRING } )

so now one can do ...

   w32Proc(xSendMessage, {HWND_BROADCAST, w32FindReplaceMsg, w, l })


> How high/low can w and l be?

These are 32-bit values, meaning that you can send any integer in the range
#00000000 to #FFFFFFFF.

--
Derek