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VirtualTreeView Finalize in C ++ Builder for UnicodeString

I use VirtualTreeView in C ++ Builder and use it with a structure like this:

struct TVTNodeData
   {
   int Index;
   UnicodeString Caption;
   }

I prefill the nodes of the tree using a loop that has this:

TVirtualNode *Node = VTree->AddChild(NULL);
pNode = (TVTNodeData *)VTree->GetNodeData(Node);
pNode->Index = 1;
pNode->Caption = "Whatever";

I noticed that the memory for the application is constantly increasing (memory leak), although I clear the tree and reload it. This page - http://www.remkoweijnen.nl/blog/2010/06/09/memory-leaks-when-using-virtual-treeview-component/ recommends doing Finalize () in the event OnFreeNode. Okay bye.

But in C ++ there is no Finalize (). I tried pNode->Caption=""in the OnFreeNodeevent and the memory is no longer allocated, but it is still a bit. I think there may be a link to the UnicodeString on the left, even if it is empty (number of links> 0).

node OnFreeNode UnicodeString ++? , UnicodeString , - ?

, , node OnNodeInit - OnFreeNode?

, TVTNodeData - node AddChild, OnNodeInit, Finalize, ?

:. , , , . , , struct-destructor Finalize, , ( ).

+3
2

Delphi Finalize , , . ++ . OnFreeNode :

TVTNodeData* const pNode = static_cast<TVTNodeData*>(Sender->GetNodeData(Node));
pNode->~TVTNodeData();

UnicodeString, . TVTNodeData node, , TVirtualNode, delete.

-. , ( , -POD), OnInitNode. . :

TVTNodeData* const pNode = static_cast<TVTNodeData*>(Sender->GetNodeData(Node));
new (pNode) TVTNodeData();

TVTNodeData TVTNodeData.

a node , . OnInitNode , , node . , .

+8

, , , , . ValidateNode AddChild.

+2

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