...die Anzahl Zeilen beim Mausrad-Scrolling auslesen?

Autor: Rainer Kümmerle
Homepage: http://www.thinklazy.de

Kategorie: Sonstiges

//Not supported on Windows 95
//result = -1: scroll whole page

function GetNumScrollLines: Integer;
begin
SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, @Result, 0);
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
ShowMessage(IntToStr(GetNumScrollLines));
end;

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