====== POSTWINMSG method (System) ======


 
==== Description ====
 
 
This method uses the Windows API PostMessage function to place a message in the message queue associated with the thread that created the target window and returns without waiting for the thread to process the message.
 
 
 
 
==== Syntax ====
 
 
SuccessFlag = Exec_Method( "SYSTEM". "POSTWINMSG", hwnd, uMsg, wParam, lParam )
 
 
 
 
==== Parameters ====
 
 
 
^Name^Required^Description^
|hwnd|Yes|A handle to the window whose window procedure is to receive the message.|
|uMsg|Yes|Integer specifying the message to be posted.|
|wParam|No|Message-specific integer value. Defaults to 0.|
|IParam|No|Message-specific integer value. Defaults to 0.|

 


 
==== Returns ====
 
 
TRUE$ if the message was posted successfully, or FALSE$ otherwise.
 
 
 
 
==== Remarks ====
 
 
Equates for the common window messages can be found the MSWin_WindowMessage_Equates insert record.
 
 
 
This method uses the Windows API PostMessage function internally – for further information please see the MSDN website.
 
 
 
 
==== Example ====
 
<code>
 
//// Post a WM_CLOSE message to a form (this is basically the same as//
   //// calling it's CLOSE method).//
   
   $Insert MSWin_WindowMessage_Equates
   
   hwnd   = Get_Property( "MYWIN", "HANDLE" )
   uMsg   = WM_CLOSE$
   wParam = 0
   lParam = 0
   
   RetVal = Exec_Method( "SYSTEM", "POSTWINMSG", hwnd, uMsg, wParam, lParam )
 
 
 

</code>

 
==== See Also ====
 
 
SYSTEM SENDWINMSG method, Common GUI QUALIFYWINEVENT method, Common GUI WINMSG event.