Problem with kDuplicateCmdBoss

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3 total messages Started by David_HOEUNG Wed, 14 Jan 2009 17:39

#515

Author: David_HOEUNG
Date: Wed, 14 Jan 2009 17:39

31 lines
1440 bytes

Hi,

I have the following problem :

After duplicated an item with kDuplicateCmdBoss, any action on my document cause crash of ID (not protective shutdown).
This is the "duplicate" function code:

UIDList list(item);
UIDRef RefReturn = UIDRef::gNull;

InterfacePtr<IHierarchy> hierarchy(item, UseDefaultIID());
ASSERT_AND_BREAK_IF_NIL(hierarchy);

UIDRef parent(item.GetDataBase(), hierarchy->GetParentUID());

InterfacePtr<ICommand> dupCmd(CmdUtils::CreateCommand(kDuplicateCmdBoss));
ASSERT_AND_BREAK_IF_NIL(dupCmd);

InterfacePtr<ICopyCmdData> data(dupCmd, UseDefaultIID());
data->Set(dupCmd, &list, parent);
data->SetOffset(PMPoint(0,0));

if (CmdUtils::ProcessCommand(dupCmd) == kSuccess)
{
	RefReturn = dupCmd->GetItemList()->GetRef(0);
}

return RefReturn;

What can i do ?
Thanks in advance.

Re: Problem with kDuplicateCmdBoss (IDCS3)

#537

Author: T_Schneider
Date: Fri, 16 Jan 2009 10:39

1 lines
939 bytes

You need to check the global error after the command has executed; ErrorUtils::PMGetGlobalErrorCode();. If this gets set by the command, you will need to clear this first (and something went wrong with your duplication :-)) ..

Re: Problem with kDuplicateCmdBoss (IDCS3)

#182

Author: Jon_Pugh
Date: Thu, 26 Mar 2009 20:49

7 lines
1105 bytes

Sorry I'm so late on this. Hopefully you've found the answer before now, but I know this problem and thought I would share it.

UIDList list(item);
...
data->Set(dupCmd, &list, parent);

This is passing a pointer to a stack based UIDList. All the copy commands want a pointer to a heap based UIDList that they can free when they are done. This can cause console messages from the memory subsystem as it tries to free a chunk of the stack which doesn't work and can crash.

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