BindingSource.IndexOf(Object) Method
Definition
Important
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Searches for the specified object and returns the index of the first occurrence within the entire list.
public:
virtual int IndexOf(System::Object ^ value);
public virtual int IndexOf (object value);
public virtual int IndexOf (object? value);
abstract member IndexOf : obj -> int
override this.IndexOf : obj -> int
Public Overridable Function IndexOf (value As Object) As Integer
Parameters
- value
- Object
The Object to locate in the underlying list represented by the List property. The value can be null
.
Returns
The zero-based index of the first occurrence of the value
parameter; otherwise, -1 if value
is not in the list.
Implements
Remarks
Although the implementation is dependent on the underlying list's IndexOf
method, typically the following characteristics apply:
The List is searched starting at the first element and ending at the last element.
The underlying method performs a linear search; therefore, the average execution time is proportional to the value of the Count property.
The underlying method determines equality by calling the Equals method.
Applies to
See also
Зворотний зв’язок
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