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/**************************************************************************
A/V Stream Camera Sample
Copyright (c) 2014, Microsoft Corporation.
File:
ExtendedEvComp.h
Abstract:
This file contains the helper class CExtendedEvCompensation.
The class is provides initialization and accessor functions for
KSCAMERA_EXTENDEDPROP_EVCOMPENSATION.
History:
created 6/3/2014
**************************************************************************/
//
// Helper class for Extended Properties.
//
class CExtendedEvCompensation
: public CExtendedHeader
{
public:
KSCAMERA_EXTENDEDPROP_EVCOMPENSATION m_EvComp;
public:
// Standardized ctors to help ensure a consistant definition.
CExtendedEvCompensation( ULONGLONG flags=0, ULONG result=STATUS_SUCCESS )
:CExtendedHeader( flags, result )
{
Size = sizeof(*this);
RtlZeroMemory( &m_EvComp, sizeof(m_EvComp) );
}
CExtendedEvCompensation( KSCAMERA_EXTENDEDPROP_HEADER &hdr )
: CExtendedHeader(hdr)
{
Size = sizeof(*this);
RtlZeroMemory( &m_EvComp, sizeof(m_EvComp) );
}
bool isValid()
{
return CExtendedHeader::isValid() &&
(Size >= sizeof(*this)) ;
}
// Access operators let you fetch the value from the value field.
operator LONG()
{
return m_EvComp.Value;
}
// Assignment operators let you assign a value to the property.
CExtendedEvCompensation &
operator =( LONG x )
{
Value() = x;
return *this;
}
CExtendedEvCompensation &
operator =( const KSCAMERA_EXTENDEDPROP_EVCOMPENSATION &x )
{
m_EvComp = x;
return *this;
}
LONG &
Min()
{
return m_EvComp.Min;
}
LONG &
Max()
{
return m_EvComp.Max;
}
ULONG &
Mode()
{
return m_EvComp.Mode;
}
LONG &
Value()
{
return m_EvComp.Value;
}
LONG &
GetLONG()
{
return m_EvComp.Value;
}
};
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