TWsGraphicMsgFixedBase Class Reference

#include <w32std.h>

class TWsGraphicMsgFixedBase

Public Member Functions
IMPORT_C TPtrC8	Pckg()
IMPORT_C TInt	Size()
IMPORT_C TUid	TypeId()

Protected Member Functions
	TWsGraphicMsgFixedBase(TUid, TInt)

Detailed Description

Base class for fixed-size messages to be attached to CWindowGc::DrawWsGraphic commands

Constructor & Destructor Documentation

TWsGraphicMsgFixedBase ( TUid, TInt )

IMPORT_C	TWsGraphicMsgFixedBase	(	TUid	aTypeId,
			TInt	aSizeOfDerived
		)	[protected]

Protected constructor for subclasses to call Example:

TMyDerivedFixedMsg::TMyDerivedFixedMsg(): TWsGraphicMsgFixedBase(KUidMyDerivedType,sizeof(TMyDerivedFixedMsg)), ...

Parameter	Description
aTypeId	The UID representing this type of data

Member Function Documentation

Pckg ( )

IMPORT_C TPtrC8

Pckg

(

)

const

Returns: this fixed message as a descriptor so that it can be passed as draw data in the CWindowGc::DrawWsGraphic command directly if only one such message is to be sent

Size ( )

IMPORT_C TInt

Size

(

)

const

Returns: the size of the derived class (not including this fixed base class size)

TypeId ( )

IMPORT_C TUid

TypeId

(

)

const

Returns: the UID identifying the type of the data that follows