Syntax
Public Function GUITreeExpand(formId As String, controlID As String, NodeKey As String)Description
This function used to generate handle a tree expanded event.
Parameters
| Key | Description |
| formId | Form identifier, must be a number greater than 3000 and less than 10,000. |
| controlID | Control identifier. If it was an empty string, this means that the event has been raised for the form. |
| NodeKey | The key of the parent node in the expanded tree |
Sample
Public Sub main() dim frmID frmID = "4000" CreateVTLForm CSTR(frmID) , false CreateVTLControl CSTR(frmID) , "tree" , GUI_TREE_VIEW SetTreeData CSTR(frmID) , "tree" , TREE_ADD_NODE , CSTR("") , false , CSTR("Root") , CSTR("Root") SetTreeData CSTR(frmID) , "tree" , TREE_ADD_NODE , CSTR("Root") , true , CSTR("Child") , CSTR("Child")End SubPublic Sub GUITreeExpand(formId, controlID,NodeKey) If controlID = "tree" then AlertMessage ("tree has been expanded") End IfEnd SubSee Also