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ListView::ListViewItemCollection::IList::Add Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Adds an existing object to the collection.

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

virtual int Add(
	Object^ item
) sealed = IList::Add


Type: System::Object

The object to add to the collection.

Return Value

Type: System::Int32
The zero-based index indicating the location of the object if it was added to the collection; otherwise, -1.



The item parameter can be any type. If item is a ListViewItem, it is added to the ListView::ListViewItemCollection. If item is another type, a new ListViewItem is created containing the string from the ToString method of item.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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