Tree structer

Hi,
I am working on tree structer in flex.
How can i expand the tree on clicking on label(not imge triagle ie's default property i kinow),is there any way setting attrubutes.....
please advice
Thanks in Advanced..

Hi,
Please refer this tutorial,
http://blog.flexexamples.com/2008/04/05/opening-branches-by-clicking-rows-in-a-tree-contro l-in-flex/

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Splitter Problem - ALV Grid not refreshed when selected another item

Hi Experts!!
I have a container on screen 100 which has to be split into 3 areas. Left area ->tree, Right top area -alv grid and bottom also alv grid. I created the program without splitter and it was working fine. After I added this splitter, I see that in ALV grid, the data is not being refreshed. When double clicked on an item in tree struct, ALV grid (CL_SALV_TABLE) to be shown.. Firstly it's fine but when I double click on another item, it's not refreshing the data but is showing the same previous data.
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* In PBO of screen 100
CREATE OBJECT go_cc_area1
    EXPORTING
      container_name              = 'CC_AREA1'
    EXCEPTIONS
      cntl_error                  = 1
      cntl_system_error           = 2
      create_error                = 3
      lifetime_error              = 4
      lifetime_dynpro_dynpro_link = 5.
IF sy-subrc <> 0.
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ENDIF.
CREATE OBJECT go_splitter
    EXPORTING
      parent        = go_cc_area1
      orientation   = 1              "Vertical split
      sash_position = 40
    EXCEPTIONS
      OTHERS        = 1.
IF sy-subrc <> 0.
ENDIF.
go_container_tree = go_splitter->top_left_container.
go_container_2 = go_splitter->bottom_right_container.
CREATE OBJECT go_splitter_2
    EXPORTING
      parent        = go_container_2
      orientation   = 0              "Horizontal split
      sash_position = 40
    EXCEPTIONS
      OTHERS        = 1.
IF sy-subrc <> 0.
ENDIF.
go_cc_area2 = go_splitter_2->top_left_container.
go_cc_area3 = go_splitter_2->bottom_right_container.
CREATE OBJECT go_tree
    EXPORTING
      i_parent                    = go_container_tree
      i_node_selection_mode       = cl_gui_column_tree=>node_sel_mode_single
      i_item_selection            = gc_x
      i_no_html_header            = gc_x
      i_no_toolbar                = space
    EXCEPTIONS
      cntl_error                  = 1
      cntl_system_error           = 2
      create_error                = 3
      lifetime_error              = 4
      illegal_node_selection_mode = 5
      failed                      = 6
      illegal_column_name         = 7.
    CALL METHOD go_tree->set_table_for_first_display
      EXPORTING
        i_background_id = space
        is_layout       = gs_layout
      CHANGING
        it_sort         = gt_sort
        it_outtab       = gt_tree_output
        it_fieldcatalog = gt_fieldcat_tree.
    CALL METHOD go_tree->expand_tree
      EXPORTING
        i_level = 2.
* End - PBO 100
*       CLASS lcl_tree_event_receiver DEFINITION
CLASS lcl_tree_event_receiver DEFINITION.
PUBLIC SECTION.
    METHODS: handle_item_double_click
               FOR EVENT item_double_click OF cl_gui_alv_tree_simple
               IMPORTING fieldname
                         index_outtab
                         grouplevel.
ENDCLASS.                    "lcl_tree_event_receiver DEFINITION
*       CLASS lcl_tree_event_receiver IMPLEMENTATION
CLASS lcl_tree_event_receiver IMPLEMENTATION.
METHOD handle_item_double_click.
      IF go_alv_area2 IS BOUND.
        go_alv_area2->refresh( ).
      ENDIF.
      cl_salv_table=>factory(
        EXPORTING
          list_display   = space
          r_container    = go_cc_area2
        IMPORTING
          r_salv_table = go_alv_area2
        CHANGING
          t_table      = gt_table ).
      go_alv_area2->display( ).
ENDMETHOD.                    "handle_item_double_click
ENDCLASS.                    "lcl_tree_event_receiver IMPLEMENTATION
I am facing the same problem with area 3 as well. Can somebody please help me out.
Thanks a lot!!
Edited by: Srinivas Kalluri on Jan 28, 2012 1:39 PM

Hi All,
I am still facing this problem. Can somebody please help me out?
I created a test program wth sflight and spfli tables. Can somebody look into this and tell me where I am going wrong?
On screen 100 i have one cust container named CC.
When I test it, it's showing the same refresh problem. But in this test program refresh is atleast happening once.
REPORT ztest.
PARAMETERS: p_carrid TYPE sflight-carrid.
CLASS lcl_tree_event_receiver DEFINITION DEFERRED.
CONSTANTS: gc_x VALUE 'X'.
DATA: go_cc_area1 TYPE REF TO cl_gui_custom_container,
      go_tree TYPE REF TO cl_gui_alv_tree_simple,
      go_tree_event_receiver TYPE REF TO lcl_tree_event_receiver,
      go_cc_area2 TYPE REF TO cl_gui_container,
      go_alv_area2 TYPE REF TO cl_salv_table,
      go_cc_area3 TYPE REF TO cl_gui_container,
      go_columns TYPE REF TO cl_salv_columns_table,
      go_cc_editor TYPE REF TO cl_gui_custom_container,
      go_editor TYPE REF TO cl_gui_textedit,
      go_content TYPE REF TO cl_salv_form_element,
      go_container_tree TYPE REF TO cl_gui_container,
      go_container_2 TYPE REF TO cl_gui_container,
      go_splitter TYPE REF TO cl_gui_easy_splitter_container,
      go_splitter_2 TYPE REF TO cl_gui_easy_splitter_container,
      go_cc_comp TYPE REF TO cl_gui_custom_container,
      go_alv_comp TYPE REF TO cl_salv_table.
DATA: gt_sflight TYPE TABLE OF sflight,
      gt_data TYPE TABLE OF spfli,
      gt_fieldcat TYPE lvc_t_fcat,
      gt_sort TYPE lvc_t_sort,
      gs_sflight TYPE sflight,
      gs_layout TYPE lvc_s_layo.
*       CLASS lcl_tree_event_receiver DEFINITION
CLASS lcl_tree_event_receiver DEFINITION.
PUBLIC SECTION.
    METHODS: handle_item_double_click
               FOR EVENT item_double_click OF cl_gui_alv_tree_simple
               IMPORTING fieldname
                         index_outtab
                         grouplevel.
ENDCLASS.                    "lcl_tree_event_receiver DEFINITION
*       CLASS lcl_tree_event_receiver IMPLEMENTATION
CLASS lcl_tree_event_receiver IMPLEMENTATION.
METHOD handle_item_double_click.
    READ TABLE gt_sflight INTO gs_sflight INDEX index_outtab.
    IF sy-subrc EQ 0.
      SELECT * FROM spfli INTO TABLE gt_data WHERE connid = gs_sflight-connid.
      IF go_alv_area2 IS BOUND.
        go_alv_area2->refresh( ).
        cl_gui_cfw=>flush( ).
      ENDIF.
      cl_salv_table=>factory(
        EXPORTING
          r_container    = go_cc_area2
        IMPORTING
          r_salv_table = go_alv_area2
        CHANGING
          t_table      = gt_data ).
      go_alv_area2->display( ).
    ENDIF.
ENDMETHOD.                    "handle_item_double_click
ENDCLASS.                    "lcl_tree_event_receiver IMPLEMENTATION
START-OF-SELECTION.
CALL SCREEN 100.
*&      Module STATUS_0100 OUTPUT
*       text
MODULE status_0100 OUTPUT.
SET PF-STATUS 'MAIN'.
* SET TITLEBAR 'xxx'.
CREATE OBJECT go_cc_area1
    EXPORTING
      container_name              = 'CC'
    EXCEPTIONS
      cntl_error                  = 1
      cntl_system_error           = 2
      create_error                = 3
      lifetime_error              = 4
      lifetime_dynpro_dynpro_link = 5.
IF sy-subrc <> 0.
*    MESSAGE e025 WITH sy-subrc text-e01.
ENDIF.
CREATE OBJECT go_splitter
    EXPORTING
      parent            = go_cc_area1
      orientation       = 1              "Vertical split
      sash_position     = 25
    EXCEPTIONS
      cntl_error        = 1
      cntl_system_error = 2
      OTHERS            = 3.
IF sy-subrc <> 0.
*    MESSAGE e025 WITH sy-subrc text-e02.
ENDIF.
go_container_tree = go_splitter->top_left_container.
go_container_2 = go_splitter->bottom_right_container.
CREATE OBJECT go_splitter_2
    EXPORTING
      parent            = go_container_2
      orientation       = 0              "Horizontal split
      sash_position     = 40
    EXCEPTIONS
      cntl_error        = 1
      cntl_system_error = 2
      OTHERS            = 3.
IF sy-subrc <> 0.
*    MESSAGE e025 WITH sy-subrc text-e02.
ENDIF.
go_cc_area2 = go_splitter_2->top_left_container.
CREATE OBJECT go_tree
    EXPORTING
      i_parent                    = go_container_tree
      i_node_selection_mode       = cl_gui_column_tree=>node_sel_mode_single
      i_item_selection            = gc_x
      i_no_html_header            = gc_x
      i_no_toolbar                = space
    EXCEPTIONS
      cntl_error                  = 1
      cntl_system_error           = 2
      create_error                = 3
      lifetime_error              = 4
      illegal_node_selection_mode = 5
      failed                      = 6
      illegal_column_name         = 7.
IF sy-subrc <> 0.
*    MESSAGE e025 WITH sy-subrc text-e03.
ENDIF.
SELECT * FROM sflight INTO TABLE gt_sflight WHERE carrid EQ p_carrid.
    CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
      EXPORTING
        i_structure_name       = 'SFLIGHT'
        i_bypassing_buffer     = gc_x
      CHANGING
        ct_fieldcat            = gt_fieldcat
      EXCEPTIONS
        inconsistent_interface = 1
        program_error          = 2
        OTHERS                 = 3.
    IF sy-subrc <> 0.
*      MESSAGE e025 WITH sy-subrc text-e05.
    ENDIF.
    DATA: ls_fieldcatalog TYPE lvc_s_fcat.
    LOOP AT gt_fieldcat INTO ls_fieldcatalog.
      ls_fieldcatalog-col_opt = gc_x.
      CASE ls_fieldcatalog-fieldname.
        WHEN 'CARRID'.
          ls_fieldcatalog-no_out = gc_x.
        WHEN 'CONNID'.
          ls_fieldcatalog-no_out = gc_x.
      ENDCASE.
      MODIFY gt_fieldcat FROM ls_fieldcatalog.
      CLEAR ls_fieldcatalog.
    ENDLOOP.
    DATA: ls_sort TYPE lvc_s_sort.
    ls_sort-spos = 1.
    ls_sort-fieldname = 'CARRID'.
    ls_sort-up = gc_x.
    APPEND ls_sort TO gt_sort.
    ls_sort-spos = 2.
    ls_sort-fieldname = 'CONNID'.
    ls_sort-up = gc_x.
    APPEND ls_sort TO gt_sort.
    DATA: lt_events TYPE cntl_simple_events,
          lo_l_event TYPE cntl_simple_event.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_node_context_menu_req.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_item_context_menu_req.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_header_context_men_req.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_expand_no_children.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_item_double_click.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_button_click.
    APPEND lo_l_event TO lt_events.
    lo_l_event-eventid = cl_gui_column_tree=>eventid_node_double_click.
    APPEND lo_l_event TO lt_events.
    CALL METHOD go_tree->set_registered_events
      EXPORTING
        events                    = lt_events
      EXCEPTIONS
        cntl_error                = 1
        cntl_system_error         = 2
        illegal_event_combination = 3.
* Set Handler
    CREATE OBJECT go_tree_event_receiver.
    SET HANDLER go_tree_event_receiver->handle_item_double_click FOR go_tree.
    CALL METHOD go_tree->set_table_for_first_display
      EXPORTING
        i_background_id = space
        is_layout       = gs_layout
      CHANGING
        it_sort         = gt_sort
        it_outtab       = gt_sflight
        it_fieldcatalog = gt_fieldcat.
    CALL METHOD go_tree->expand_tree
      EXPORTING
        i_level = 2.
    IF NOT gt_sflight[] IS INITIAL.
      CALL METHOD go_tree->set_top_node
        EXPORTING
          i_index_outtab = 0.
    ENDIF.
* Send data to frontend.
    CALL METHOD go_tree->frontend_update.
ENDMODULE.                 " STATUS_0100 OUTPUT
*&      Module USER_COMMAND_0100 INPUT
*       text
MODULE user_command_0100 INPUT.
CASE sy-ucomm.
    WHEN 'BACK'.
      SET SCREEN 0.
      LEAVE SCREEN.
    WHEN OTHERS.
ENDCASE.
ENDMODULE.                 " USER_COMMAND_0100 INPUT
Edited by: Srinivas Kalluri on Jan 31, 2012 4:49 PM

How is build an index ?

Hi
I know an index is default build as a B-Tree struct.
I would just like to know where are rowid and values in this
tree. Could anyone give me a sample table data, and draw the
corresponding index ? Either can anybody tell me where i would
find that ?
Thanx.
Sylvain Fauvel
[email protected]

Sylvain,
Here is the information on indexes http://download-
west.oracle.com/otndoc/oracle9i/901_doc/server.901/a88856/c11sche
m.htm#3239. Is this what you are looking for?
Regards,
Geoff
Hi
I know an index is default build as a B-Tree struct.
I would just like to know where are rowid and values in this
tree. Could anyone give me a sample table data, and draw the
corresponding index ? Either can anybody tell me where i would
find that ?
Thanx.
Sylvain Fauvel
[email protected]

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MSS ECM new column in Organization unit Tree structure

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Requirement is to add aditional column in in Selection Screen of ECM, when user selects dropdown value "Employee Selection by Organization Unit".
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Employee search this is possible but not in Team calendar
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For e.g.,
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Let say in backend you had defined following Organization structure
views:
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From Content administration ->Portal content ->#. Choose
Employee Search iview (for compensation information).
Now in the iview property "Organizational structure views with list
display in navigation area" maintain MSS_TMV_EE_ORG1,MSS_TMV_EE_ORG2
Now for all cases you will get navigation objects as table display.

Traverse A Nested Struct

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I wasn't looking for an alphabetical list, just trying to get
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would I get the value of employee.phone.office.ext without
previousley knowing that phone.office.ext existed and I only know
about employee. I could iterate over it with some type of iterator
hasNext(), but was wondering if there was a quicker way.
<cfset employee.name.first = "Mary">
<cfset employee.name.last = "Smith">
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<cfset employee.phone.home = "111-2222-33333">
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Array of Structs in cftree

Hi,
I am using an array of structs to populate the data in a cftree and cfloop query to fill the structs, this worked well initially, but as the data is increasing, it gets slower and slower, is there a solution for this ?
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tree.cfm
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Hi Dan,
thank you for the suggestion, but in this case, I have the value and the display fields that need to be stored, if I just loop over a query, I do not get the desired results. can you point me to the example you have seen ?
Thanks

Amfphp and flex - parsing a struct

I am using an amfphp service, which I call from Flex. The
service is embedded in a drupal site, and it calls a function named
getTree() which returns a php "struct"
I can pull out vars from the struct and show them in a
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hierarchy is, what I really need is a way to iterate through it and
load all the items into something I can deal with (an
ArrayCollection???)
1. what should I use to store the data (ArrayCollection,
Array, etc.) and why?
2. what code will repeatedly iterate through a tree hierarchy
until it finds all items?
much thx,
-p

"LuigiL" <[email protected]> wrote in
message
news:[email protected]...
> That would depend an the struct that is returned. I'm
getting arrays
> returned
> containing objects, see attached dump from
> trace(ObjectUtil.toString(event.result)); in a result
handler on the
> RemoteObject.
>
> I'm parsing the result into an Array and somewhere else
in the program I
> use
> this array to create an ArrayCollection to serve as a
dataprovider for a
> list.
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onCategoriesResult(event:ResultEvent):void
> {
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That's not really recursive. I didn't have time to go into my
code and look
anything up earlier this morning, but here's some code that
recurses XML and
parses it into custom VO's, MenuContainers. Each
MenuContainer has a
children collection that can contain Task VO's (technically
TaskUID's which
are Task VO's decorated with IUID) or other MenuContainers:
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//recursively loads a menu container with task VO's
//this also loads the singleton TaskManager for use
//across the app
_allTasks=getChildrenFromXML(taskXML.children());
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getChildrenFromXML(childXML:XMLList):ArrayCollection{
var childObj:*;
var dateStr:String;
var theDate:Date;
var splitDateStr:Array;
var tmpID:int;
var tmpDesc:String;
var tmpRunMode:String
var resultAC:ArrayCollection = new ArrayCollection();
for each (var child:XML in childXML){
switch (child.name().toString()){
case 'task':
//parse date info into a true date
if (child.child('taskDate').length()>0){
//temporary string with the date in it in the
//format mm/dd/yyyy
dateStr=child.child('taskDate')[0].text();
splitDateStr=dateStr.split('/');
theDate = new Date(splitDateStr[2], int(splitDateStr[0]) -
1,
splitDateStr[1]);
} else {
theDate = null;
/* If the task has its own runmode, use that.
Otherwise, use the container run mode */
if (child.child('runMode').length()>0){
tmpRunMode=child.child('runMode')[0].text();
} else {
tmpRunMode = child.parent().attribute('runMode');
//Alert.show(child.toXMLString(),
int(child.levelID[0]).toString());
childObj = new Task(int(child.@id), child.idString,
int(child.levelID[0]),
child.desc,
Task.isCompleteStringToConst(child.isComplete),
child.isActive == 'true' ? true : false, theDate,
child.isBookmarked == 'true' ? true : false,
tmpRunMode);
taskManager.tasks.addItem(childObj);
//decorate with IUID to allow easier indexing in
HierarchicalData
childObj = new TaskUID(childObj);
break;
case 'container':
childObj = new MenuContainer(int(child.@id), child.@desc,
child.@runMode);
//continue recursing until all container children have been
accounted
for
if (child.children().length()>0){
childObj.children=getChildrenFromXML(child.children());
break;
default:
//default object
tmpID=0;
if (child.attribute('id').length()>0){
tmpID = int(child.@id)
} else if (child.child('id')){
tmpID = int(child.id);
if (child.attribute('desc').length()>0){
tmpDesc = child.@desc
} else if (child.child('desc')){
tmpDesc = child.desc;
childObj = new Object();
childObj.id=tmpID;
childObj.desc = tmpDesc;
break;
resultAC.addItem(childObj);
return resultAC;
I can't write recursive code off the top of my head--I find
it takes me a
while to get me into the mental state where it makes any
sense at all.
That's why I had to look it up :-).
HTH;
Amy

When one pushes the + in a tree, it automatically refreshes the page, how..

How do you stop this? If someone browses my tree and pushes on the + (expand/contract)it shouldn't refresh the page. Where is this parameter set?
Peter
Message was edited by:
Pete

Hello,
Thats standard HTML functionalitywhat your going to need to do if possible is provide a name to the link you just pressed so you can target it then add that name to the end of the link on the tree.
The destination anchor of a link may be an element within an HTML document. The destination anchor must be given an anchor name and any URI addressing this anchor must include the name as its fragment identifier.
Destination anchors in HTML documents may be specified either by the A element (naming it with the name attribute), or by any other element (naming with the id attribute).
http://www.w3.org/TR/REC-html40/struct/links.html
Carl

Problem with trees and memory handling.

Hi there, I just want to know if, when I create a large binary tree, and I re-"pointed" the root pointer to another node somewhere below in that same tree (say, a terminal node), will the "upper" parts of the tree (starting from the new root node) be removed/deleted from memory? Please explain your answers.
Thank you.

f I changed the root to B, will A and its children be
deleted from memory?If you do root = B, AND if nothing else is referring to A or C or anything else beneath them, then A, C, and all of C's children will become eligible for garbage collection.
Whether the memory actually gets cleaned up is something you can't really predict or control, but it doesn't really matter. If it's needed, it will get cleaned up. If it's not needed, it may or may not get cleaned up, but your program won't care.
So, in short, yes, for all intents and purposes, A's, C's, and C's descendants' memory is released when you re-root to B.

How to blick tree view few specific nodes

here i got a code which show how to blink tree view node but i am confuse that how to blink few node.
Answered by:
Avatar of Tamer Oz
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Treeview control - How to make a node blink?
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Visual C#
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Hi,
Is there a "elegant" way to make blink a treeview node?
I am thinking to use a timer with the collection of nodes that I want to make the blink effect, and update the icon ...
Friday, November 06, 2009 6:19 PM
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Kikeman
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Hi,
You can develop your custom control for this purpose. The logic you mentioned was correct. Here is a sample control that I developed by the logic you mentioned.
public class BlinkingTreeView : TreeView
private Timer t = new Timer();
private List<TreeNode> blinkingNodes = new List<TreeNode>();
public BlinkingTreeView()
t.Interval = 1000;
t.Tick += new EventHandler(t_Tick);
bool isNodeBlinked = false;
void t_Tick(object sender, EventArgs e)
foreach (TreeNode tn in blinkingNodes)
if (isNodeBlinked)
//update Icon
tn.Text = tn.Text.Substring(0, tn.Text.Length - 1);//to test
isNodeBlinked = false;
else
//update Icon
tn.Text = tn.Text + "*";//to test
isNodeBlinked = true;
public void AddBlinkNode(TreeNode n)
blinkingNodes.Add(n);
public void RemoveBlinkNode(TreeNode n)
blinkingNodes.Remove(n);
public void ClearBlinkNodes()
blinkingNodes.Clear();
public List<TreeNode> BlinkingNodes
get { return blinkingNodes; }
public int BlinkInterval
get { return t.Interval; }
set { t.Interval = value; }
public void StartBlinking()
isNodeBlinked = false;
t.Enabled = true;
public void StopBlinking()
t.Enabled = false;
just show me how to use BlinkingTreeView class. i will have tree view which will have few node and few nodes may have few child nodes. now how to achieve by this class BlinkingTreeView and show me how to blink few specific node not all. thanks

better to come with code. first populate tree view with some dummy node this way
Root
       Child1
                Child1-sub1
                Child1-sub2
       Child2
                Child2-sub1
                Child2-sub2
now blink Child1-sub2 & Child2-sub1. please come with code. thanks

Follow up Tree Question

Hey,
Using the arrows, when I open one tree node, I want other
tree nodes to close. I saw a sample that sepiroth had done, but I
don't want to click on the whole bar. I just want to use the arrows
to expand and contract. Any help would be great. I have attached
the code

If you just wish to make a duplicate of one hard drive to another hard drive in the same G5, then do this:
Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
Destination means the second internal drive. Source means the internal startup drive.

Tree structer

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