ListBox::ObjectCollection::IndexOf Method (Object^)
.NET Framework (current version)
Returns the index within the collection of the specified item.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Parameters
- value
-
Type:
System::Object^
An object representing the item to locate in the collection.
Return Value
Type: System::Int32The zero-based index where the item is located within the collection; otherwise, negative one (-1).
Implements
IList::IndexOf(Object^)| Exception | Condition |
|---|---|
| ArgumentNullException | The value parameter is null. |
The IndexOf method enables you to determine where an item is located within the collection. To determine whether an item is located within the collection before calling this method, use the Contains method.
.NET Framework
Available since 1.1
Available since 1.1
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