IndexOf Method (Object, Int32)
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Assembly: mscorlib (in mscorlib.dll)
- Type: System..::..Object
The Object to locate in the ArrayList. The value can be nullNothingnullptrunita null reference (Nothing in Visual Basic).
- Type: System..::..Int32
The zero-based starting index of the search. 0 (zero) is valid in an empty list.
The ArrayList is searched forward starting at startIndex and ending at the last element.
This method performs a linear search; therefore, this method is an O(n) operation, where n is the number of elements from startIndex to the end of the ArrayList.
This method determines equality by calling Object..::..Equals.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.