we are using your TreeView and want to have PlusMinus icons to opened/closed parent nodes. If nodes are empty (no child node) then there should be no plus (and no minus) - if there are children there must be the plus.
Now we set in the cildnodes if they have no more childs node.NodeData.ShowPlusMinus=false
This setting does nothing dor this node. The Plus appears here too ?
How can we prevent the plus in any node that has no more childnodes?
Thank you very much
ASArun Srinivasan Syncfusion Team November 14, 2003 03:35 PM
1. Which version of Essential Tools are you using?
2. Can you post a sample or code snippet? You should call
ShowPlusMinus = false;
You need to create/add the nodes before setting it's properties.
PAPatrickJanuary 29, 2004 11:14 AM
I am having a similar problem. I am looking at the TreeViewAdv LoadOnDemand sample project. At the leave node, there is a plus sign. How do I prevent the leave node displaying the plus sign?
ADAdministrator Syncfusion Team January 29, 2004 12:22 PM
Which version of Essential Tools are you using? Can you send an email to firstname.lastname@example.org to obtain the latest beta version as there have been a lot of changes made to the TreeViewAdv control in the 2.0 version.
PAPatrickJanuary 29, 2004 12:33 PM
I am using 126.96.36.199 beta version of the tree view.
ADAdministrator Syncfusion Team January 31, 2004 05:28 PM
The behaviour you encounter in the LoadOnDemand is by design as when the LoadOnDemand property is set to True. All the nodes will have the plus-minus set to visible.
You should handle the BeforeExpand event of the nodes and add subnodes to the respective nodes. The tree will then show or hide the plus-minus based on whether or not children were added. You can see this behavviour in the sample.
ADAdministrator Syncfusion Team February 2, 2004 06:32 AM
I understand the design of the loadondemand, but is there any way to not show the plus sign if there isn''t any child for a given node? Can the tree query for each immediate sub node(s) after/before expand, to find out if a plus sign is required? Can this be added to the tree? If not, is there a workaround for not showing the plus sign for nodes without any child?
ADAdministrator Syncfusion Team February 2, 2004 06:54 AM