本文整理汇总了C++中CMsvEntrySelection::Back方法的典型用法代码示例。如果您正苦于以下问题:C++ CMsvEntrySelection::Back方法的具体用法?C++ CMsvEntrySelection::Back怎么用?C++ CMsvEntrySelection::Back使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CMsvEntrySelection
的用法示例。
在下文中一共展示了CMsvEntrySelection::Back方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: DoDeleteEntriesL
void CMsvServerEntry::DoDeleteEntriesL(CMsvEntrySelection& aSelection, CMsvEntrySelection*& aDeleted, CMsvEntrySelection*& aMoved)
//
//
//
{
__ASSERT_DEBUG(!aDeleted && !aMoved, PanicServer(EMsvDeleteAndMoveSelectionsNotNull));
__ASSERT_DEBUG(aSelection.Count() > 0, PanicServer(EMsvDeletingEmptySelection));
// Total entries deleted and moved
aDeleted = new(ELeave)CMsvEntrySelection;
aMoved = new(ELeave)CMsvEntrySelection;
// Entries deleted when a single item is deleted
CMsvEntrySelection* deleted = new(ELeave)CMsvEntrySelection;
CleanupStack::PushL(deleted);
// Entries moved when a single item is deleted
CMsvEntrySelection* moved = new(ELeave)CMsvEntrySelection;
CleanupStack::PushL(moved);
CMsvEntrySelection* selection = new(ELeave)CMsvEntrySelection;
CleanupStack::PushL(selection);
CMsvDelete* del = CMsvDelete::NewL(iServer);
CleanupStack::PushL(del);
TInt firstError = KErrNone;
TInt count = aSelection.Count();
while(count--)
{
TMsvId id = aSelection.At(count);
TInt error = KErrNone;
// Only delete children
if (!IsAChild(id))
error = KErrNotFound;
else
{
// Need to know maximum number of entries that might be deleted
selection->AppendL(id);
error = iServer.IndexAdapter().ExpandSelectionRecursively(*selection);
if (error == KErrNone)
{
// Reserve space in lists
aDeleted->SetReserveL(aDeleted->Count() + selection->Count());
aMoved->SetReserveL(aMoved->Count() + selection->Count());
del->StartL(id, *deleted, *moved);
aSelection.Delete(count);
if (deleted->Count() > 0)
aDeleted->AppendL(deleted->Back(0), deleted->Count());
if (moved->Count() > 0)
aMoved->AppendL(moved->Back(0), moved->Count());
}
deleted->Reset();
moved->Reset();
selection->Reset();
}
// Remember error
if (error != KErrNone && firstError == KErrNone)
firstError = error;
}
User::LeaveIfError(firstError);
CleanupStack::PopAndDestroy(4); // del, selection, moved, deleted
}