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ObservableCollection<T>.InsertItem Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Inserts an item into the collection at the specified index.

Namespace:  System.Collections.ObjectModel
Assembly:  System.Windows (in System.Windows.dll)

Syntax

'Declaration
Protected Overrides Sub InsertItem ( _
    index As Integer, _
    item As T _
)

protected override void InsertItem(
    int index,
    T item
)

Parameters

  • index
    Type: System.Int32
    The zero-based index at which item should be inserted.
  • item
    Type: T
    The object to insert.

Exceptions

Exception Condition
InvalidOperationException

The method is being called in a PropertyChanged or CollectionChanged event handler.

Remarks

This implementation raises the CollectionChanged event.

For more information, see the InsertItem method of the Collection<T> base class.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.