EcoResCategoryTreeDatasource.selectionChanging Method [AX 2012]

Executes the form data source query whenever the current selection in the tree is changing.

Syntax

public boolean selectionChanging(
    FormTreeItem _oldItem, 
    FormTreeItem _newItem, 
    FormTreeSelect _how)

Run On

Client

Parameters

• _oldItem
  Type: FormTreeItem Class
  The current selected item.

• _newItem
  Type: FormTreeItem Class
  The item now being selected.

• _how
  Type: FormTreeSelect Enumeration
  How the new item is being selected.

Return Value

Type: boolean
true if the selection change should be vetoed; otherwise, false. A boolean value that indicates whether to veto selection change or not.

See Also

Reference

EcoResCategoryTreeDatasource Class