Source code of Windows XP (NT5)
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/*++
Copyright (c) 1994-95 Microsoft Corporation
Module Name:
prdcol.cpp
Abstract:
Product collection object implementation.
Author:
Don Ryan (donryan) 11-Jan-1995
Environment:
User Mode - Win32
Revision History:
--*/
#include "stdafx.h"
#include "llsmgr.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
IMPLEMENT_DYNCREATE(CProducts, CCmdTarget)
BEGIN_MESSAGE_MAP(CProducts, CCmdTarget)
//{{AFX_MSG_MAP(CProducts)
// NOTE - the ClassWizard will add and remove mapping macros here.
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BEGIN_DISPATCH_MAP(CProducts, CCmdTarget)
//{{AFX_DISPATCH_MAP(CProducts)
DISP_PROPERTY_EX(CProducts, "Application", GetApplication, SetNotSupported, VT_DISPATCH)
DISP_PROPERTY_EX(CProducts, "Parent", GetParent, SetNotSupported, VT_DISPATCH)
DISP_PROPERTY_EX(CProducts, "Count", GetCount, SetNotSupported, VT_I4)
DISP_FUNCTION(CProducts, "Item", GetItem, VT_DISPATCH, VTS_VARIANT)
//}}AFX_DISPATCH_MAP
END_DISPATCH_MAP()
CProducts::CProducts(CCmdTarget* pParent, CObArray* pObArray)
/*++
Routine Description:
Constructor for product collection object.
Arguments:
pParent - creator of object.
pObArray - object list to enumerate.
Return Values:
None.
--*/
{
EnableAutomation();
#ifdef ENABLE_PARENT_CHECK
ASSERT(pParent && pParent->IsKindOf(RUNTIME_CLASS(CController)));
#endif // ENABLE_PARENT_CHECK
ASSERT_VALID(pObArray);
m_pParent = pParent;
m_pObArray = pObArray;
}
CProducts::~CProducts()
/*++
Routine Description:
Destructor for product collection object.
Arguments:
None.
Return Values:
None.
--*/
{
//
// Nothing to do here.
//
}
void CProducts::OnFinalRelease()
/*++
Routine Description:
When the last reference for an automation object is released
OnFinalRelease is called. This implementation deletes object.
Arguments:
None.
Return Values:
None.
--*/
{
delete this;
}
LPDISPATCH CProducts::GetApplication()
/*++
Routine Description:
Returns the application object.
Arguments:
None.
Return Values:
VT_DISPATCH.
--*/
{
return theApp.GetAppIDispatch();
}
long CProducts::GetCount()
/*++
Routine Description:
Returns number of items in collection.
Arguments:
None.
Return Values:
VT_I4.
--*/
{
ASSERT_VALID(m_pObArray);
return (long)m_pObArray->GetSize();
}
LPDISPATCH CProducts::GetItem(const VARIANT FAR& index)
/*++
Routine Description:
Retrieves specified product object from collection.
Arguments:
index - optional argument that may be a string (VT_BSTR)
indicating the product name or a number (VT_I4) indicating
the position within collection.
Return Values:
VT_DISPATCH or VT_EMPTY.
--*/
{
ASSERT_VALID(m_pObArray);
LPDISPATCH lpdispatch = NULL;
CProduct* pProduct;
INT_PTR iProduct;
VARIANT vProduct;
VariantInit(&vProduct);
if (iProduct = m_pObArray->GetSize())
{
if (index.vt == VT_BSTR)
{
while (iProduct--)
{
if (pProduct = (CProduct*)m_pObArray->GetAt(iProduct))
{
ASSERT(pProduct->IsKindOf(RUNTIME_CLASS(CProduct)));
if (!pProduct->m_strName.CompareNoCase(index.bstrVal))
{
lpdispatch = pProduct->GetIDispatch(TRUE);
break;
}
}
}
}
else if (SUCCEEDED(VariantChangeType(&vProduct, (VARIANT FAR *)&index, 0, VT_I4)))
{
if (((int)vProduct.lVal >= 0) && ((int)vProduct.lVal < iProduct))
{
if (pProduct = (CProduct*)m_pObArray->GetAt((int)vProduct.lVal))
{
ASSERT(pProduct->IsKindOf(RUNTIME_CLASS(CProduct)));
lpdispatch = pProduct->GetIDispatch(TRUE);
}
}
}
}
return lpdispatch;
}
LPDISPATCH CProducts::GetParent()
/*++
Routine Description:
Returns the parent of the object.
Arguments:
None.
Return Values:
VT_DISPATCH.
--*/
{
return m_pParent ? m_pParent->GetIDispatch(TRUE) : NULL;
}