如何在treeview中检索子项文本 [英] How to retrieve the child items text in treeview
问题描述
我有一个树形视图，我用一些值填充它。现在我的树视图有一个Root节点和一个子节点反过来，子节点由三个子项组成，我在树视图下面的对话框中有一个按钮，当我选择有3个子项的子节点时，我必须得到一个指向根节点的副本。
[+]美国
。
。
[+]印度
..AP
..MP
..MH
现在当我选择INDIA时然后按下按钮然后我必须能够将它的副本添加到America并且看起来像是，
[+] America
。 。
。 。
。 。
。 [+]印度
。 ...... AP
。 ...... MP
。 ...... MH
。
。
。
.... [+]印度[2]
.... AP [2]
.... MP [2]
.... MH [2]
这是我必须得到的但当我点击按钮时它只是添加了INDIA而我无法获得子项目，即（AP，MP， MH）。
我通过使用SendDlgItemMessage（hWnd，IDC_TREE，TVM_GETITEM，TVGN_CARET，（LPARAM）&tvItem）发送消息来获取当前所选项目;
我尝试通过发送一条消息来获取子项目，即
SendDlgItemMessage（hWnd，IDC_TREE，TVM_GETITEM，TVGN_CHILD ，（LPARAM）&tvItem）;
但它仍然显示所选项目但不显示子项目文本值。
因为我是新的win32编程被困在这里。
任何人都可以帮助我。
在此先感谢，
siva V
Hi,
I had a tree view where i had populated it with some values.Now my Tree view has a Root node and a sub node for it and in turn the sub node consists of three child items and i had a button in a dialog beneath the tree view and when i select the sub node that had 3 child items i must get a copy of that which will be pointing out to the root node.
[+]America
.
.
[+]INDIA
..AP
..MP
..MH
and now when i select "INDIA" and press the button then i must be able to add a copy of that to "America" and which would look like,
[+]America
. .
. .
. .
. [+]INDIA
. ...AP
. ...MP
. ...MH
.
.
.
....[+]INDIA[2]
....AP[2]
....MP[2]
....MH[2]
This is what i have to get but when i am clicking the button it is just adding the INDIA and i was unable to get the child item i.e,(AP,MP,MH).
I am getting the current selected item by sending message using SendDlgItemMessage(hWnd,IDC_TREE,TVM_GETITEM,TVGN_CARET,(LPARAM)&tvItem);
I tried getting the child item by sending one more message i.e,
SendDlgItemMessage(hWnd,IDC_TREE,TVM_GETITEM,TVGN_CHILD,(LPARAM)&tvItem);
but it is still showing the selected item but not the child items text value .
As i am new win32 programming got stuck over here .
Can anyone kindly help me .
Thanks in advance,
siva V
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