How to distinguish syslink?

[BK]

Hello.
Always thank you for help.

I'd like to print out each message using syslink.

For example:
Google link clicking message output "google" and Bing link clicking message output "Bing"

How can separately output a message?

Function dlg_link_test

Code:

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\Dialog_Editor

function# hDlg message wParam lParam
if(hDlg) goto messages

if(!ShowDialog("dlg_link_test" &dlg_link_test 0)) ret

;BEGIN DIALOG
;0 "" 0x90C80AC8 0x0 0 0 223 135 "Dialog"
;1 Button 0x54030001 0x4 120 116 48 14 "OK"
;2 Button 0x54030000 0x4 170 116 48 14 "Cancel"
;3 Button 0x54032000 0x0 4 6 48 14 "Button"
;4 SysLink 0x54030000 0x0 66 6 130 12 ""
;END DIALOG
;DIALOG EDITOR: "" 0x2030300 "*" "" ""

ret
;messages
sel message
,case WM_INITDIALOG
,case WM_DESTROY
,case WM_COMMAND goto messages2
,case WM_NOTIFY goto messages3
ret
;messages2
sel wParam
,case 3 ;;button click
,_s.getfile("$desktop$\dlg.txt") ;; <a>Google</a> <a>Bing</a>
,_s.setwintext(id(4 hDlg))
,case IDOK
,case IDCANCEL
ret 1
;messages3
NMHDR* nh=+lParam
sel nh.idFrom
,case 4 ;;syslink control
,sel nh.code
,,case [NM_CLICK,NM_RETURN] ;;link click or Enter
,,;run "http://www.google.com"