HICON hIcon[4];      // 图标句柄数组  

// 加载三个图标，并将它们的句柄保存到数组   

hIcon[0] = theApp.LoadIcon(IDI_ICON_TREE_CLOSE);   

hIcon[1] = theApp.LoadIcon(IDI_ICON_TREE_EXPEND);   

hIcon[2] = theApp.LoadIcon(IDI_ICON_VIDEO_USER_OFFLINE);

hIcon[3]=theApp.LoadIcon(IDI_ICON_VIDEO_USER_ONLINE);

hIcon[4]=theApp.LoadIcon(IDI_ICON_TREE_URING);

hIcon[5]=theApp.LoadIcon(IDI_ICON_TREE_TALKING);

// 创建图像序列CImageList对象   

m_treeImageList.Create(32, 32, ILC_COLOR32, 6, 6);   

// 将三个图标添加到图像序列   

for (int i=0; i<6; i++)   

{   

m_treeImageList.Add(hIcon[i]);   

}   

// 为树形控件设置图像序列   

m_ctrlTreeExtens.SetImageList(&m_treeImageList, TVSIL_NORMAL);   

m_ctrlTreeExtens.ModifyStyle(0,TVS_HASLINES);

==========================================================================================

void CVideoShowDlg::OnNMDblclkTreeExtens(NMHDR *pNMHDR, LRESULT *pResult)

{

// TODO: 在此添加控件通知处理程序代码

*pResult = 0;

CString strSelLeave=m_ctrlTreeExtens.GetItemText(m_ctrlTreeExtens.GetSelectedItem());

int nIndex=strSelLeave.Find("|");

strSelLeave=strSelLeave.Mid(0,nIndex);

int iNode=atoi(strSelLeave.GetBuffer(0));

if( iNode <= 100 )  return ;

CString name, number, depart;

int stat=Dlg->m_mmMonitor.users.GetNameByExten(strSelLeave,&name,&depart,&number);

if(stat < USER_STATUS_ONLINE){

AfxMessageBox("当前用户不在线,无法进行视频通话");

return ;

}

ShowVideo(strSelLeave);

}

=========================================================================================

void CVideoShowDlg::UpdateExtenTree(){

if(!isInitedTree){

isInitedTree = TRUE;

m_ctrlTreeExtens.DeleteAllItems();

hRoot = m_ctrlTreeExtens.InsertItem(_T("设备列表"));  

CString  strDepName;

int strKey;

POSITION pos =Dlg->m_mmMonitor.m_mapDepartments.GetStartPosition();

while(pos)

{

Dlg->m_mmMonitor.m_mapDepartments.GetNextAssoc(pos, strKey, strDepName);

if(!strDepName.Compare("所有")){

continue;

}

HTREEITEM hCataItem; // 可表示任一分类节点的句柄   

hCataItem = m_ctrlTreeExtens.InsertItem(strDepName.GetBuffer(0), 0, 1, hRoot, TVI_LAST);   

m_ctrlTreeExtens.SetItemData(hCataItem, 1);  

map<CString,int>::iterator it;

CString strLeaveInfo;

for(it=m_tDataMap.begin();it!=m_tDataMap.end();it++){

int stat;

CString exten, name, number, depart;

exten.Format("%s",it->first);

stat=Dlg->m_mmMonitor.users.GetNameByExten(exten,&name,&depart,&number);

if((-1 != stat ) && (it->second) && (!strDepName.Compare(depart)) && (exten.Compare(Dlg->m_mmMessage.m_strMessExten))){

HTREEITEM hArtItem;  

strLeaveInfo.Empty();

strLeaveInfo.Append(exten);

strLeaveInfo.Append("|");

strLeaveInfo.Append(name);

switch(stat){

case USER_STATUS_OFFLINE:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 2,2, hCataItem, TVI_LAST); 

break;

case USER_STATUS_ONLINE:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 3,3, hCataItem, TVI_LAST); 

break;

case USER_STATUS_TALKING:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 5,5, hCataItem, TVI_LAST);

break;

case USER_STATUS_CALLED_RING:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 4,4, hCataItem, TVI_LAST);

break;

case USER_STATUS_CALLING_RING:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 4,4, hCataItem, TVI_LAST);

break;

case USER_STATUS_HANGUP:

hArtItem = m_ctrlTreeExtens.InsertItem(strLeaveInfo.GetBuffer(0), 3,3, hCataItem, TVI_LAST);

break;

}

m_ctrlTreeExtens.SetItemData(hArtItem, 2);    

}

}

}

}

}

========================================================================================

void CVideoShowDlg::SetTreeItemStatus(CString strExten,int newStatus){

HTREEITEM  hTarget=FindItem(m_ctrlTreeExtens,hRoot,strExten);

if(hTarget){

switch(newStatus){

case USER_STATUS_OFFLINE:

m_ctrlTreeExtens.SetItemImage(hTarget,2,2);

break;

case USER_STATUS_ONLINE:

m_ctrlTreeExtens.SetItemImage(hTarget,3,3);

break;

case USER_STATUS_TALKING:

m_ctrlTreeExtens.SetItemImage(hTarget,5,5);

break;

case USER_STATUS_CALLED_RING:

m_ctrlTreeExtens.SetItemImage(hTarget,4,4);

break;

case USER_STATUS_CALLING_RING:

m_ctrlTreeExtens.SetItemImage(hTarget,4,4);

break;

case USER_STATUS_HANGUP:

m_ctrlTreeExtens.SetItemImage(hTarget,3,3);

break;

}

}

}

//item:待遍历树的根节点，strtext:待查找节点名称

HTREEITEM  CVideoShowDlg::FindItem(CTreeCtrl &ctrlTree ,HTREEITEM  item, CString strtext)  

{  

HTREEITEM  hfind; 

//空树，直接返回NULL 

if(item ==  NULL)  

return  NULL; 

//遍历查找 

while(item!=NULL)  

{  

//当前节点即所需查找节点 

if(ctrlTree.GetItemText(item) == strtext) 

return  item;  

//查找当前节点的子节点 

if(ctrlTree.ItemHasChildren(item))

{  

item=ctrlTree.GetChildItem(item); 

//递归调用查找子节点下节点 

hfind  =  FindItem(ctrlTree,item,strtext);  

if(hfind)  

{  

return  hfind;  

}  

else

{

//子节点中未发现所需节点，继续查找兄弟节点

item = ctrlTree.GetNextSiblingItem(ctrlTree.GetParentItem(item)); 

}

}else

{  

//若无子节点，继续查找兄弟节点

item = ctrlTree.GetNextSiblingItem(item);

}  

}  

return item;  

}

========================================================================================

以上代码仅供参考。。。

本文出自 “日知其所无” 博客，请务必保留此出处http://shenyantao.blog.51cto.com/1957956/1543269