Re: Port szeregowy, drukarka fiskalna znak NULL

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#334590

From: PaSkol
Date: Fri, 06 Jan 2012 14:13

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W dniu 2012-01-06 15:02, Przemyslaw Rokicki pisze:

> function writeSerialPort(hCommDev: THANDLE; numberOfBytesToWrite:
> DWORD): BOOL;

Proponowałbym tak:

function writeSerialPort(hCommDev: THANDLE; Data: String): Boolean;
var
   numberOfBytesWritten: LongWord;
begin
   WriteFile(hCommDev, PChar(Data)^,
     Length(Data), numberOfBytesWritten, nil);
   Result := WaitCommEvent(hCommDev, fdwEvtMask, nil);
end;


-- 
Dearth PaSkol

- Ciemna druga strona jest.
- Nie marudź Yoda, tylko jedz tego tosta.

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From: PaSkol <DearthNOSPAMpaskol@op.pl>
Newsgroups: pl.comp.lang.delphi
Subject: Re: Port szeregowy, drukarka fiskalna znak NULL
Date: Fri, 06 Jan 2012 15:13:33 +0100
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