Определить количество кнопок мышки |
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Code: |
// if the result is 0, no mouse is present
function GetNumberOfMouseButtons: Integer; begin Result := GetSysTemMetrics(SM_CMOUSEBUTTONS); end;
procedure TForm1.Button1Click(Sender: TObject); begin ShowMessage('Your mouse has ' + IntToStr(GetNumberOfMouseButtons) + ' buttons.'); end; |
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