| private midiInStart ( HMIDIIN hMidiIn ) : MMRESULT | ||
| hMidiIn | HMIDIIN | |
| return | MMRESULT | |
public void StartReceiving(Clock clock, bool handleSysEx)
{
if (isInsideInputHandler)
{
throw new InvalidOperationException("Device is receiving.");
}
lock (this)
{
CheckOpen();
CheckNotReceiving();
#region SysEx
if (handleSysEx)
{
LongMsgBuffers.Add(CreateLongMsgBuffer());
}
#endregion
CheckReturnCode(Win32API.midiInStart(handle));
isReceiving = true;
this.clock = clock;
}
}
/// <summary>
/// Starts this input device receiving messages.
/// </summary>
/// <param name="clock">If non-null, the clock's <see cref="Clock.Time"/> property will
/// be used to assign a timestamp to each incoming message. If null, timestamps will be in
/// seconds since StartReceiving() was called.</param>
/// <exception cref="InvalidOperationException">The device is not open or is already
/// receiving.
/// </exception>
/// <exception cref="DeviceException">The device cannot start receiving.</exception>
/// <remarks>
/// <para>This method launches a background thread to listen for input events, and as events
/// are received, the event handlers are invoked on that background thread. Event handlers
/// should be written to work from a background thread. (For example, if they want to
/// update the GUI, they may need to BeginInvoke to arrange for GUI updates to happen on
/// the correct thread.)</para>
/// <para>The background thread which is created by this method is joined (shut down) in
/// <see cref="StopReceiving"/>.</para>
/// </remarks>
public void StartReceiving(Clock clock)
{
if (isInsideInputHandler)
{
throw new InvalidOperationException("Device is receiving.");
}
lock (this)
{
CheckOpen();
CheckNotReceiving();
CheckReturnCode(Win32API.midiInStart(handle));
isReceiving = true;
this.clock = clock;
}
}
