Collection<T>.RemoveAt(Int32) is used to remove the element at the specified index of the Collection<T>.
public void RemoveAt (int index);
Here, index is the zero-based index of the element to remove.
Exception: This method will give ArgumentOutOfRangeException if the index is less than zero OR index is equal to or greater than Count.
Below given are some examples to understand the implementation in a better way:
Count : 5 A B C D E Count : 4 A B D E
System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
Note: This method is an O(n) operation, where n is Count.
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- Finding the Index which Points Beyond the Last Element in C#
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- C# | Gets or Sets the element at the specified index in the List
- C# | Gets or sets the element at the specified index in StringCollection
- C# | Insert an element into the ArrayList at the specified index
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