 
            | Miner.Windows Assembly > Miner.Windows Namespace : DropDownItemCollection Class | 
The following tables list the members exposed by DropDownItemCollection.
| Name | Description | |
|---|---|---|
|  | Count | Returns the number of child panes defined for this parent pane. | 
|  | IsReadOnly | Returns whether this collection consists of readonly members. | 
|  | IsSynchronized | Returns whether access to the collection is thread safe. | 
|  | Item | Retrieves an item from the list by its index number in list. | 
|  | SyncRoot | Returns an object that can be used to synchronize assess to the collection. | 
| Name | Description | |
|---|---|---|
|  | Add | Overloaded. Adds a new item to the list of dropdown items. | 
|  | AddRange | Adds a group of items to the dropdown list. | 
|  | Clear | Clears the list of drop down items. | 
|  | Contains | Overloaded. Returns whether the specified item is in the collection. | 
|  | CopyTo | Copies the items in this collection into an array. | 
|  | GetEnumerator | Provides an enumerator for iteration over this collection. | 
|  | IndexOf | Returns the index of the drop down item in the collection or -1 if not found in the collection. | 
|  | Insert | Inserts an item into the list. | 
|  | Remove | Removes an item from the collection. | 
|  | RemoveAt | Removes the item at the specified index from the collection. |