Retrieves the index within the collection of the specified item.
The zero-based index of the first occurrence of value within the entire collection, if found; otherwise, -1.
The IndexOf method enables you to determine where an object is located within the ComboBox.
Note This method applies only to the inner list of combobox and is not applicable for bound combobox.
ItemAdvancedComboBox Class | Resco.Controls.DetailView Namespace