CPrinterPort Class Reference

#include <gdi.h>

class CPrinterPort : public CBase

Inherits from

CPrinterPort
- CBase

Public Member Functions
pure virtual void	Cancel()
pure virtual void	WriteRequest(const TDesC8 &, TRequestStatus &)

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()

Detailed Description

Printer port interface.

This interface is used as the base class for the various types of printer port. New printer port classes should be derived from this class.After allocation and construction, a pointer to a concrete printer port should be passed to CPrintSetup::StartPrintL().

Member Function Documentation

Cancel ( )

void

Cancel

(

)

[pure virtual]

Cancels an outstanding WriteRequest() operation.

WriteRequest ( const TDesC8 &, TRequestStatus & )

void	WriteRequest	(	const TDesC8 &	aBuf,
			TRequestStatus &	aRequestStatus
		)	[pure virtual]

Writes data asynchronously to the printer port.

Parameters
aBuf	Data to be written to the port
aRequestStatus	A reference to the request status object. If the request is cancelled, this should be set to KErrCancel; if the request completes normally, this should be set to KErrNone.