Jump to content

HM SET OBJCOM WINDOW: Difference between revisions

From EDM2
Created page with "{{DISPLAYTITLE:HM_SET_OBJCOM_WINDOW}} This message is sent to IPF by the application to identify the communication object window to which the HM_INFORM and HM_QUERY_DDF_DATA messages will be sent. This message is not necessary if the communication object does not expect to receive either of these messages. ==Syntax== <pre> hwndparam1 HWND objcomhwnd; Handle of the communication object window to be set.: param2 ULONG ulReserved; Reserved value, should be 0.: <..."
 
No edit summary
 
Line 22: Line 22:


==Remarks==
==Remarks==
HM_INFORM and HM_QUERY_DDF_DATA messages which are not processed must be passed to the previous communication object window which was returned when [[HM_SET_OBJECT_WINDOW]] was sent.
[[HM_INFORM]] and [[HM_QUERY_DDF_DATA]] messages which are not processed must be passed to the previous communication object window which was returned when ''''HM_SET_OBJECT_WINDOW'''' was sent.


==Default Processing==
==Default Processing==

Latest revision as of 04:18, 28 April 2025

This message is sent to IPF by the application to identify the communication object window to which the HM_INFORM and HM_QUERY_DDF_DATA messages will be sent. This message is not necessary if the communication object does not expect to receive either of these messages.

Syntax

hwndparam1
HWND objcomhwnd; /* Handle of the communication object window to be set. */

param2
ULONG ulReserved; /* Reserved value, should be 0. */

Parameters

objcomhwnd (HWND) - input
Handle of the communication object window to be set.
ulReserved (ULONG) - input
Reserved value, should be 0.

Returns

hwndprevioushwnd (HWND) - return
The handle of the previous communication object window.

Remarks

HM_INFORM and HM_QUERY_DDF_DATA messages which are not processed must be passed to the previous communication object window which was returned when 'HM_SET_OBJECT_WINDOW' was sent.

Default Processing

None.