internal EventHandle(EventManager.HandlerSetCell cell, IHandler handler, DataOrigin origin)
{
Cell = cell;
Handler = handler;
Origin = origin;
UnsubEvent = () => { };
}
/// <summary>
/// Constructs an <see cref="EventName"/> from a <see cref="DataOrigin"/> and name.
/// </summary>
/// <param name="origin">The origin associated with the event.</param>
/// <param name="name">The name of the event.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="origin"/> is null
/// -OR- if <paramref name="name"/> is null.</exception>
/// <exception cref="ArgumentException">Thrown if <paramref name="origin"/> is not a valid origin.</exception>
public EventName(DataOrigin origin, string name)
{
if (origin is null)
{
throw new ArgumentNullException(nameof(origin));
}
if (!origin.IsValid)
{
throw new ArgumentException(SR.EventName_OriginNotValid, nameof(origin));
}
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
Origin = origin;
Name = name;
}
/// <summary>
/// Creates a new <see cref="EventSource"/> using the <see cref="DataOrigin"/> <paramref name="origin"/>.
/// This origin cannot be associated with any other <see cref="EventSource"/>.
/// </summary>
/// <param name="origin">The origin to use for this <see cref="EventSource"/>.</param>
/// <exception cref="ArgumentException">Thrown if <paramref name="origin"/> is already associated with another <see cref="EventSource"/>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="origin"/> is <see langword="null"/>.</exception>
public EventSource(DataOrigin origin)
{
if (origin is null)
{
throw new ArgumentNullException(nameof(origin));
}
if (origin.IsValid)
{
throw new ArgumentException(SR.EventSource_OriginAlreadyAttached, nameof(origin));
}
originAssocObj = new();
Origin = origin;
origin.SetSource(originAssocObj);
if (!origin.IsValid)
{
throw new ArgumentException(SR.EventSource_OriginAlreadyAttached, nameof(origin));
}
}
/// <summary> /// Constructs a <see cref="DataWithOrigin"/> struct with the specified data and origin. /// </summary> /// <param name="origin">The origin to associate with the data.</param> /// <param name="data">The data to wrap.</param> public DataWithOrigin(DataOrigin origin, dynamic?data) => (Origin, Data) = (origin, (object?)data);
