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ComboBox.ObjectCollection.Insert Method

Inserts an item into the collection at the specified index.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void Insert(
	int index,
	Object item


Type: System.Int32

The zero-based index location where the item is inserted.

Type: System.Object

An object representing the item to insert.


IList.Insert(Int32, Object)


The item was null.


The index was less than zero.


The index was greater than the count of items in the collection.

If the Sorted property of the ComboBox is true, the index parameter is ignored. When an object is added to the collection, the ComboBox calls the object's ToString method is to obtain the string to display in the list.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0