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...get the caption of the control under the mouse cursor?
Autor: Twister
[ Print tip ]  

Tip Rating (4):  
     


function GetCaptionAtPoint(CrPos: TPoint): string;
var
  
textlength: Integer;
  Text: PChar;
  Handle: HWND;
begin
  
Result := 'Empty';
  Handle := WindowFromPoint(CrPos);
  if Handle = 0 then Exit;
  textlength := SendMessage(Handle, WM_GETTEXTLENGTH, 0, 0);
  if textlength <> 0 then
  begin
    
getmem(Text, textlength + 1);
    SendMessage(Handle, WM_GETTEXT, textlength + 1, Integer(Text));
    Result := Text;
    freemem(Text);
  end;
end;


 

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