/// <summary>
/// Creates a new channel (short) midi message object.
/// </summary>
/// <param name="command">The channel command.</param>
/// <param name="channel">The (zero-based) channel number.</param>
/// <param name="parameter1">The (optional) first parameter of the midi message.</param>
/// <param name="parameter2">The (optional) second parameter of the midi message.</param>
/// <returns>Never returns null.</returns>
public MidiChannelMessage CreateChannelMessage(MidiChannelCommand command, byte channel, byte parameter1, byte parameter2)
{
Contract.Requires(channel >= 0 && channel <= 15);
Contract.Ensures(Contract.Result <MidiChannelMessage>() != null);
Check.IfArgumentOutOfRange <byte>(channel, 0, 15, "channel");
MidiData data = new MidiData();
data.Status = (byte)((int)command | channel);
data.Parameter1 = parameter1;
data.Parameter2 = parameter2;
MidiChannelMessage message = (MidiChannelMessage)this.Lookup(data);
if (message == null)
{
if (command == MidiChannelCommand.ControlChange)
{
message = new MidiControllerMessage(data);
}
else
{
message = new MidiChannelMessage(data);
}
this.Add(message);
}
return(message);
}
/// <summary>
/// Creates a new channel (short) midi message object.
/// </summary>
/// <param name="command">The channel command.</param>
/// <param name="channel">The (zero-based) channel number.</param>
/// <param name="parameter1">The (optional) first parameter of the midi message.</param>
/// <param name="parameter2">The (optional) second parameter of the midi message.</param>
/// <returns>Never returns null.</returns>
public MidiChannelMessage CreateChannelMessage(MidiChannelCommand command, byte channel, byte parameter1, byte parameter2)
{
Check.IfArgumentOutOfRange <byte>(channel, 0, 15, nameof(channel));
var data = new MidiData
{
Status = (byte)((int)command | channel),
Parameter1 = parameter1,
Parameter2 = parameter2
};
var message = (MidiChannelMessage)Lookup(data);
if (message == null)
{
if (command == MidiChannelCommand.ControlChange)
{
message = new MidiControllerMessage(data);
}
else
{
message = new MidiChannelMessage(data);
}
Add(message);
}
return(message);
}
