在树形控件中，如何得到鼠标单击button(+（扩展）或-（缩小）)的item

[Nature_cworkplace]

我用GetSelectedItem（）得不到鼠标点击的正确位置
不知道我的描述大家明不明白？
在线急等。

[Nature_cworkplace]

to xqls_xqls:
能给出详细一点的注释吗？
我是个初学者，不好意思。
to xkyx_cn:
我是过你的方法了，好像不行？？？
to zhuwanglove:
你回答的是我的问题吗？

[太乙]

重载CTreectrl   的   
  TVN_ITEMEXPANDING   
  example   
  void   CFTPTREEDlg::OnItemexpandingFtptree(NMHDR*   pNMHDR,   LRESULT*   pResult)     
  {   
  NM_TREEVIEW*   pnmtv   =   (NM_TREEVIEW*)pNMHDR;   
  //   TODO:   Add   your   control   notification   handler   code   here   
          HTREEITEM   hItem   =   pnmtv->itemNew.hItem;   
    
  if   (pnmtv->action   ==   TVE_EXPAND)   
  {   
  TVITEM   item;   
  item.hItem   =   hItem;   
  m_FtpTreeCtl.GetItem(&item);   
  item.iImage   =   2;   
  m_FtpTreeCtl.SetItem(&item);   
  }   
  else   
  {   
  TVITEM   item;   
  item.hItem   =   hItem;   
  m_FtpTreeCtl.GetItem(&item);   
  item.iImage   =   1;   
  m_FtpTreeCtl.SetItem(&item);   
  }   
    
  *pResult   =   0;   
  }

[星羽]

用 HitTest 吧

[ysuliu]

不会，帮顶！

[homesos]

截获消息

[xqls_xqls]

void CMy123Dlg::OnTvnSelchangedMytree(NMHDR *pNMHDR, LRESULT *pResult)
{
LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);
// TODO: 在此添加控件通知处理程序代码

CString StrPath;
CString StrInfo;
HTREEITEM CurItem = m_MyTree.GetSelectedItem();
TV_ITEM TreeCtrlItem;
TreeCtrlItem.hItem = CurItem;
m_MyTree.GetItem(&TreeCtrlItem);
StrInfo = m_MyTree.GetItemText(m_MyTree.GetSelectedItem());
long CurlParam = TreeCtrlItem.lParam;
if(CurlParam != 1)
{
TreeCtrlItem.hItem = m_MyTree.GetParentItem(m_MyTree.GetSelectedItem());
m_MyTree.GetItem(&TreeCtrlItem);
StrPath = m_MyTree.GetItemText(CurItem);
StrPath += "\\";
StrPath += StrInfo;
}
else
{
StrPath = StrInfo;
}
GetDlgItem(IDC_EDITINFO)->SetWindowText(StrPath);

*pResult = 0;
}

[xkyx_cn]

用HitTest:

	// get the mouse position
	const MSG* pMessage;
	pMessage = GetCurrentMessage();
	ASSERT(pMessage);
	CPoint point;
	point = pMessage->pt;		// get the point from the message
	ScreenToClient(&point);		// convert the point's coords to be relative 
								// to this control
	
	// see if the point falls on a tree item
	
	UINT flags = 0;
	HTREEITEM hItem = HitTest(point, &flags);
		
	if (hItem && (flags & TVHT_ONITEM))
	{
		// it did fall on an item
	}

[Nature_cworkplace]

唉，搞了一天，我的问题竟然还没有解决。
不过还是要谢谢大家的热心帮助！

[zhuwanglove]

// TODO: Add your control notification handler code here
HTREEITEM hItem =m_treeUser.GetDropHilightItem( );
if(hItem!=NULL)
m_treeUser.Select(hItem,TVGN_CARET);
else
hItem=m_treeUser.GetSelectedItem();

BOOL bMenu;
bMenu=g_User.HasFun(15);
CMenu menu;
POINT point;
CString strName;
if(hItem==NULL)
menu.EnableMenuItem(ID_EDIT_COPY,MF_GRAYED);
strName=m_treeUser.GetItemText(hItem);
GetCursorPos(&point);
menu.CreatePopupMenu();

if(strName!="操作人员")
{
menu.AppendMenu(MF_STRING,ID_USER_CHANGEPASSED,"修改密码(&M)");
if(bMenu)
{
menu.AppendMenu(MF_STRING,ID_USER_DELETE,"删除(&D)");
menu.AppendMenu(MF_STRING,ID_USER_PROPERTY,"属性(&P)");
}
}

menu.TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,point.y,this);
*pResult = 0;

以前编的一个程序

[K行天下]

up飞鱼