Title: get a pixel color of the desktop?
function DesktopColor(const X, Y: Integer): TColor;
var
c: TCanvas;
begin
c := TCanvas.Create;
try
c.Handle := GetWindowDC(GetDesktopWindow);
Result := GetPixel(c.Handle, X, Y);
finally
c.Free;
end;
end;
procedure TForm1.Timer1Timer(Sender: TObject);
var
Pos: TPoint;
begin
GetCursorPos(Pos);
Panel1.Color := DesktopColor(Pos.X, Pos.Y);
end;