ListBox.SelectedIndexCollection.IList.Contains(Object) Method
Definition
Important
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For a description of this member, see Contains(Object).
virtual bool System.Collections.IList.Contains(System::Object ^ selectedIndex) = System::Collections::IList::Contains;
bool IList.Contains (object selectedIndex);
bool IList.Contains (object? selectedIndex);
abstract member System.Collections.IList.Contains : obj -> bool
override this.System.Collections.IList.Contains : obj -> bool
Function Contains (selectedIndex As Object) As Boolean Implements IList.Contains
Parameters
- selectedIndex
- Object
The index to locate in the collection.
Returns
true
if the specified index from the ListBox.ObjectCollection for the ListBox is an item in this collection; otherwise, false
.
Implements
Remarks
This member is an explicit interface member implementation. It can be used only when the ListBox.SelectedIndexCollection instance is cast to an IList interface.
The IList.Contains method enables you to determine whether an index position from the ListBox.ObjectCollection a member of the selected indexes stored in the ListBox.SelectedIndexCollection. You can use this method to determine whether a specific item in a multiple-selection list box is selected.