/// <summary>
/// Determines the type of message received and triggers the correct
/// event in response.
/// </summary>
/// <param name="message">
/// The short Midi message received.
/// </param>
/// <param name="timeStamp">
/// Number of milliseconds that have passed since the input device
/// began recording.
/// </param>
private void DispatchShortMessage(int message, int timeStamp)
{
// Unpack status value.
int status = ShortMessage.UnpackStatus(message);
// If a channel message was received.
if (ChannelMessage.IsChannelMessage(status))
{
// If anyone is listening for channel messages.
if (ChannelMessageReceived != null)
{
// Create channel message.
ChannelMessage msg = new ChannelMessage(message);
// Create channel message event argument.
ChannelMessageEventArgs e =
new ChannelMessageEventArgs(msg, timeStamp);
// Trigger channel message received event.
ChannelMessageReceived(this, e);
}
}
// Else if a system common message was received
else if (SysCommonMessage.IsSysCommonMessage(status))
{
// If anyone is listening for system common messages
if (SysCommonReceived != null)
{
// Create system common message.
SysCommonMessage msg = new SysCommonMessage(message);
// Create system common event argument.
SysCommonEventArgs e = new SysCommonEventArgs(msg, timeStamp);
// Trigger system common received event.
SysCommonReceived(this, e);
}
}
// Else if a system realtime message was received
else if (SysRealtimeMessage.IsSysRealtimeMessage(status))
{
// If anyone is listening for system realtime messages
if (SysRealtimeReceived != null)
{
// Create system realtime message.
SysRealtimeMessage msg = new SysRealtimeMessage(message);
// Create system realtime event argument.
SysRealtimeEventArgs e = new SysRealtimeEventArgs(msg, timeStamp);
// Trigger system realtime received event.
SysRealtimeReceived(this, e);
}
}
}
/// <summary>
/// Initializes a new instance of the SysCommonMessage class with a
/// system common message packed as an integer.
/// </summary>
/// <param name="message">
/// The packed system common message to use for initialization.
/// </param>
public SysCommonMessage(int message)
{
int status = ShortMessage.UnpackStatus(message);
// Enforce preconditions.
if (!SysCommonMessage.IsSysCommonMessage(status))
{
throw new ArgumentException(
"Message is not a system common message.", "message");
}
//
// Initialize properties.
//
Type = (SysCommonType)ShortMessage.UnpackStatus(message);
Data1 = ShortMessage.UnpackData1(message);
Data2 = ShortMessage.UnpackData2(message);
}