How to detect clipboard copy

[Gintaras]

Function dlg_clipboard_viewer

Code:

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

str controls = "3"
str rea3
if(!ShowDialog("dlg_clipboard_viewer" &dlg_clipboard_viewer &controls)) ret

;BEGIN DIALOG
;0 "" 0x90C80A44 0x100 0 0 223 135 "QM Clipboard Viewer"
;1 Button 0x54030001 0x4 120 116 48 14 "OK"
;2 Button 0x54030000 0x4 170 116 48 14 "Cancel"
;3 RichEdit20A 0x54233044 0x200 0 0 224 114 ""
;END DIALOG
;DIALOG EDITOR: "" 0x2030008 "*" "" ""

ret
;messages
sel message
,case WM_INITDIALOG
,int-- t_hwndnext
,t_hwndnext=SetClipboardViewer(hDlg)
,SetTimer hDlg 23 1000 0
,
,case WM_DESTROY
,ChangeClipboardChain hDlg t_hwndnext
,
,case WM_CHANGECBCHAIN
,if(wParam=t_hwndnext) t_hwndnext=lParam
,else if(t_hwndnext) SendMessage t_hwndnext message wParam lParam
,
,case WM_TIMER
,sel wParam
,,case 23 ;;auto restore if another viewer did not remove itself correctly
,,if(!GetClipboardViewer) t_hwndnext=SetClipboardViewer(hDlg)
,
,case WM_DRAWCLIPBOARD ;;clipboard contents changed
,str s.getclip; err
,s.setwintext(id(3 hDlg))
,SendMessage t_hwndnext message wParam lParam
,
,case WM_COMMAND goto messages2
ret
;messages2
sel wParam
,case IDOK
,case IDCANCEL
ret 1

err+
,ChangeClipboardChain hDlg t_hwndnext
,end _error