![](dotnetdiagramimages/C1_Win_C1Input_4_5_2_C1_Win_C1Input_PlaceholderCollection.png)
'Declaration
Public Class PlaceholderCollection Inherits System.Collections.CollectionBase
public class PlaceholderCollection : System.Collections.CollectionBase
System.Object
System.Collections.CollectionBase
C1.Win.C1Input.PlaceholderCollection