public static void ThrowExceptionForReasonCode(int reasonCode)
{
TeVirtualMidiException exception = new TeVirtualMidiException(reasonCodeToString(reasonCode));
exception.reasonCode = reasonCode;
throw exception;
}
public void Write(byte[] command)
{
if ((command == null) || (command.Length == 0))
{
return;
}
if (!virtualMIDISendData(fInstance, command, (UInt32)command.Length))
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
}
public byte[] Read()
{
UInt32 length = fMaxSysexLength;
if (!virtualMIDIGetData(fInstance, fReadBuffer, ref length))
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
byte[] outBytes = new byte[length];
Array.Copy(fReadBuffer, outBytes, length);
return(outBytes);
}
public UInt64[] GetProcessIds()
{
UInt32 length = 17 * sizeof(ulong);
UInt32 count;
if (!virtualMIDIGetProcesses(fInstance, fReadProcessIds, ref length))
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
count = length / sizeof(ulong);
UInt64[] outIds = new UInt64[count];
Array.Copy(fReadProcessIds, outIds, count);
return(outIds);
}
public VirtualMidiPort(string portName, bool blockingMode, UInt32 maxSysexLength, UInt32 flags, ref Guid manufacturer, ref Guid product)
{
SynchronizationContext = SynchronizationContext.Current;
if (SynchronizationContext == null)
{
throw new InvalidOperationException("No synchronization context");
}
fInstance = virtualMIDICreatePortEx3(portName, MakeCallback(blockingMode), IntPtr.Zero, maxSysexLength, flags, ref manufacturer, ref product);
if (fInstance == IntPtr.Zero)
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
fReadBuffer = new byte[maxSysexLength];
fReadProcessIds = new UInt64[17];
fMaxSysexLength = maxSysexLength;
}
public VirtualMidiPort(string portName, bool blockingMode, UInt32 maxSysexLength = TE_VM_DEFAULT_SYSEX_SIZE, UInt32 flags = TE_VM_FLAGS_PARSE_RX)
{
SynchronizationContext = SynchronizationContext.Current;
if (SynchronizationContext == null)
{
throw new InvalidOperationException("No synchronization context");
}
fInstance = virtualMIDICreatePortEx2(portName, MakeCallback(blockingMode), IntPtr.Zero, maxSysexLength, flags);
if (fInstance == IntPtr.Zero)
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
fReadBuffer = new byte[maxSysexLength];
fReadProcessIds = new UInt64[17];
fMaxSysexLength = maxSysexLength;
}
private void Dispose(bool finalizing)
{
lock (this) {
if (!virtualMIDIShutdown(fInstance))
{
if (!finalizing)
{
int lastError = Marshal.GetLastWin32Error();
TeVirtualMidiException.ThrowExceptionForReasonCode(lastError);
}
}
if (fInstance != IntPtr.Zero)
{
virtualMIDIClosePort(fInstance);
fInstance = IntPtr.Zero;
}
}
GC.SuppressFinalize(this);
}
