/// <summary>
/// Returns the zero-based index of the first occurrence
/// of the specified <see cref="ISchemaEditorNode"/> in the
/// <see cref="SchemaEditorNodeCollection"/>.
/// </summary>
/// <param name="value">
/// The <see cref="ISchemaEditorNode"/> object
/// to locate in the <see cref="SchemaEditorNodeCollection"/>.
/// This argument may be a null reference.
/// </param>
/// <returns>
/// The zero-based index of the first occurrence of
/// <paramref name="value"/> in the <see cref="SchemaEditorNodeCollection"/>,
/// if found; otherwise, -1.</returns>
/// <remarks>
/// Please refer to <see cref="ArrayList.IndexOf"/> for details.
/// </remarks>
public int IndexOf(ISchemaEditorNode value)
{
int count = _data.Count;
ISchemaEditorNode[] items = _data.Items;
if ((object) value == null)
{
for (int i = 0; i < count; i++)
{
if ((object) items[i] == null)
return i;
}
return -1;
}
for (int i = 0; i < count; i++)
{
if (value.Equals(items[i]))
return i;
}
return -1;
}
