/// <summary>
/// Finds the first object in a list where a certain user defined equality is true
/// </summary>
/// <param name="data">Dataset to search.</param>
/// <param name="what">What to lookfor.</param>
/// <param name="equality">How to determine if the object in the list is equivilent to the item we are searching for.</param>
/// <returns>Index of the value in the list, -1 if item was not found.</returns>
public static int search(IList data, object what, equalDelegate equality)
{
int i;
for (i = 0; i < data.Count; i++)
{
if (equality(what, data[i]))
{
return(i);
}
}
return(-1);
}
/// <summary>
/// akin to "select * from data where equality(what, data)"
/// </summary>
/// <param name="data">Dataset to search.</param>
/// <param name="what">What to lookfor.</param>
/// <param name="equality">How to determine if the object in the list is equivilent to the item we are searching for.</param>
/// <returns>A new dataset representing the information meeting the specified criteria.</returns>
public static object[] allFormListWhere(IList data, object what, equalDelegate equality)
{
ArrayList items = new ArrayList();
int i;
for (i = 0; i < data.Count; i++)
{
if (equality(what, data[i]))
{
items.Add(data[i]);
}
}
return(items.ToArray());
}
