function EnumChildProc(Wnd: hWnd; SL: TStrings): BOOL; stdcall;
var
szFull: array[0..MAX_PATH] of Char; //Buffer for window caption
begin
Result := Wnd <> 0;
if Result then
begin
GetWindowText(Wnd, szFull, SizeOf(szFull)); // put window text in buffer
if (Pos(SL[0], StrPas(szFull)) > 0) // Test for text
and (SL.IndexOfObject(TObject(Wnd)) < 0) // Test for duplicate handles
then SL.AddObject(StrPas(szFull), TObject(Wnd)); // Add item to list
EnumChildWindows(Wnd, @EnumChildProc, Longint(SL)); //Recurse into child windows
end;
end; function ClickButton(ParentWindow: Hwnd; ButtonCaption: string): Boolean;
var
SL: TStringList;
H: hWnd;
begin
SL := TStringList.Create;
try
SL.AddObject(ButtonCaption, nil); // First item in list is text to find
EnumChildWindows(ParentWindow, @EnumChildProc, Longint(SL));
H := 0;
case SL.Count of
1: ShowMessage('Window text not found.');
2: H := hWnd(SL.Objects[1]);
else
ShowMessage('Ambiguous text detected.');
end;
finally
SL.Free;
end;
Result := H <> 0;
if Result then PostMessage(H, BM_CLICK, 0, 0);
end;
// Rememeber the ampresand for underlined characters
// if the ‘c’ is underlined, then the text is ‘&click’
