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Re: Drag and Drop for TreeCtrl [message #9284 is a reply to message #9269]

Wed, 25 April 2007 17:39

mrjt
Messages: 705
Registered: March 2007
Location: London

Contributor

Some code to deal with the children:

void MoveChildren(int src, int dest)
{
	while (GetChildCount(src)) {
		int child = GetChild(src, 0);
		TreeCtrl::Node node;
		
		node = GetNode(child);
		MoveChildren(child, Add(dest, node));
		Remove(child);
	}
}

And use it like so (removal of source node must happen after addition of destination - for obvious reasons):

    // add id to idTarget and remove id
    TreeCtrl::Node node = GetNode(id);	
    MoveChildren(id, this->Add(idTarget,node));		
    this->Remove(id);
    this->Open(idTarget);

I've got a version of this that doesn't need a RectTracker or a custom Option control that I'll post if you're interested.

James

[Updated on: Wed, 25 April 2007 17:43]

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