Hi, I'm new to wxWidgets. Can anyone tell what is the difference between wxTreeData and wxTreeItemID. I have to develop one treectrl like this. ROOT CHILD1 CHILD1.1 CHILD1.2 CHILD2 CHILD3 Can anyone please tell what is the procedure to do that or which methods I have to use to accomplish my task. Regards, Prasanna. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments contained in it. Contact your Administrator for further information. --------------------------------------------------------------------- To unsubscribe, e-mail: XXXX@XXXXX.COM For additional commands, e-mail: XXXX@XXXXX.COM
Diff: wxTreeItemData & wxTreeItemID
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Diff: wxTreeItemData & wxTreeItemID
by prasanna » Fri, 31 Aug 2007 16:31:43 GMT
Re: Diff: wxTreeItemData & wxTreeItemID
by Ondra Holub » Fri, 31 Aug 2007 20:55:32 GMT
wxTreeItemID is some identification of item in wxTreeCtrl.
wxTreeData is parent class of any user data which may be associated by
user with certain wxTreeCtrl item.
wxTreeCtrl* tree = new wxtreeCtrl(parent, -1);
wxTreeItemId root = tree->AddRoot(_("ROOT"));
wxTreeItemId child1 = tree->AppendItem(root, _("CHILD1"));
wxTreeItemId child11 = tree->AppendItem(child1, _("CHILD1.1"));
wxTreeItemId child12 = tree->AppendItem(child1, _("CHILD1.2"));
wxTreeItemId child2 = tree->AppendItem(root, _("CHILD2"));
wxTreeItemId child3 = tree->AppendItem(root, _("CHILD3"));
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3.wxTreeItemData::GetId() does not work
A little more experimenting I found that the following sequence:
itemId = m_treeCtrl->AppendItem(parentId, name, itemData->GetNormalIcon());
m_treeCtrl->SetItemData(itemId, itemData);
does not associate the wxTreeItemData object with the wxTreeItemId.
Changing it to:
itemId = m_treeCtrl->AppendItem(parentId, name, itemData->GetNormalIcon(),
-1, itemData);
does the association, but GetId() will ONLY work when called during
a tree event. I still can't call GetId() at some arbitrary time
to get a valid wxTreeItemId.
Any thoughts???
Will
Will Bene wrote:
>
> Given a subclass of wxTreeItemData, I want to select the corresponding
> tree item by calling wxTreeItemData::GetId() and using that id to call
> wxTreeCtrl::SelectItem(). This does not work. The GetId() returns a
> bogus value (a constant value for the wxTreeItemId::m_pItem member
> even for different wxTreeItemData objects.)
>
> Thinking that this call might only be set on tree events, I checked the
> value of the GetId() call during a selection change event. This value
> is always 0. Not what I expected.
>
> Is this a bug or is this feature not intended to be used this way?
>
> (running wxGTK 2.4.2 under Linux).
>
> Thanks,
>
> Will
>
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Hampton, VA 23681-2199 Phone +1 757 864-2106
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Hi I have this code: device_treectrl->AppendItem(tree_root_id,device_vector[i].Name,-1,-1,new wxTreeItemData(device_vector[i])); where device_vector is a stl vector Later when I try and get the item back ESPDeviceInfoStruct *device_info = (ESPDeviceInfoStruct *) device_treectrl->GetItemData(tree_item_id); I get another pointer ! Can someone tell me what I have wrong ? Thanks Nick --------------------------------------------------------------------- To unsubscribe, e-mail: XXXX@XXXXX.COM For additional commands, e-mail: XXXX@XXXXX.COM
6. Re[2]: wxTreeItemData::GetId() does not work
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