public static extern ReturnCode DsmLinux64(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_AUDIOINFO data);
public static extern ReturnCode DsmLinux64(
[In, Out] TW_IDENTITY origin,
IntPtr zero,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TW_IDENTITY data);
public static extern ReturnCode DsmWin32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_EVENT data);
public static extern ReturnCode DsmLinux(
[In, Out] TWIdentity origin,
[In, Out] TWIdentity destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TWDeviceEvent data);
public static extern ReturnCode DsmWinNew(
[In, Out] TWIdentity origin,
IntPtr zero,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TWIdentity data);
public static extern ReturnCode DsmWinNew(
[In, Out] TWIdentity origin,
[In, Out] TWIdentity destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TWEntryPoint data);
public static extern ReturnCode DsmWinOld(
[In, Out] TWIdentity origin,
[In, Out] TWIdentity destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TWCallback2 data);
public static ReturnCode DsmEntry(
TWIdentity origin,
TWIdentity destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref DataGroups data)
{
if (PlatformInfo.Current.IsWindows)
{
if (PlatformInfo.Current.UseNewWinDSM)
{
return(NativeMethods.DsmWinNew(origin, destination, dg, dat, msg, ref data));
}
else
{
return(NativeMethods.DsmWinOld(origin, destination, dg, dat, msg, ref data));
}
}
else if (PlatformInfo.Current.IsLinux)
{
return(NativeMethods.DsmLinux(origin, destination, dg, dat, msg, ref data));
}
throw new PlatformNotSupportedException();
}
public static extern ReturnCode DsmMac32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_CUSTOMDSDATA data);
public static extern ReturnCode DsmWin32(
[In, Out] TW_IDENTITY origin,
IntPtr zero,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TW_ENTRYPOINT data);
public static extern ReturnCode DsmMac64(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_CALLBACK2 data);
public static extern ReturnCode DsmMac32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_JPEGCOMPRESSION data);
public static extern ReturnCode DsmLinux32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_IMAGEMEMXFER data);
/// <summary>
/// Direct DSM_Entry call with full arguments for custom values.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="dat">The dat.</param>
/// <param name="message">The message.</param>
/// <param name="data">The data.</param>
/// <returns></returns>
public ReturnCode DsmEntry(
DataGroups group,
DataArgumentType dat,
Message message,
IntPtr data)
{
_session.VerifyState(3, 7, group, dat, message);
return(Dsm.DsmEntry(_session.AppId, _session.CurrentSource.Identity, group, dat, message, data));
}
/// <summary>
/// Initializes a new instance of the <see cref="TwainStateException"/> class.
/// </summary>
/// <param name="currentState">The actual state number.</param>
/// <param name="minStateExpected">The minimum state allowed.</param>
/// <param name="maxStateExpected">The maximum state allowed.</param>
/// <param name="dataGroup">The data group used.</param>
/// <param name="argumentType">The data argument type used.</param>
/// <param name="twainMessage">The twain message used.</param>
/// <param name="message">The message.</param>
public TwainStateException(int currentState, int minStateExpected, int maxStateExpected, DataGroups dataGroup, DataArgumentType argumentType, Message twainMessage, string message)
: base(default(ReturnCode), message)
{
ActualState = currentState;
MinStateExpected = minStateExpected;
MaxStateExpected = maxStateExpected;
DataGroup = dataGroup;
ArgumentType = argumentType;
TwainMessage = twainMessage;
}
ReturnCode Handle32BitCallback(TW_IDENTITY origin, TW_IDENTITY destination,
DataGroups dg, DataArgumentType dat, Message msg, IntPtr data)
{
// from the docs this needs to return Success
// before handling the msg thus BeginInvoke is used.
Debug.WriteLine($"Thread {Thread.CurrentThread.ManagedThreadId}: {nameof(Handle32BitCallback)}({dg}, {dat}, {msg}, {data})");
InternalBeginInvoke(() =>
{
Debug.WriteLine($"Thread {Thread.CurrentThread.ManagedThreadId}: in BeginInvoke {nameof(Handle32BitCallback)}({dg}, {dat}, {msg}, {data})");
HandleSourceMsg(msg);
});
Debug.WriteLine($"Thread {Thread.CurrentThread.ManagedThreadId}: after BeginInvoke {nameof(Handle32BitCallback)}({dg}, {dat}, {msg}, {data})");
return(ReturnCode.Success);
}
public void Constructor_Sets_Correct_Properties()
{
// just some non-default values to test
int state = 3;
int minState = 4;
int maxState = 5;
DataGroups dataGroup = DataGroups.Control;
DataArgumentType argumentType = DataArgumentType.AudioNativeXfer;
Message twainMessage = Message.Copy;
string message = "THIS IS A TEST.";
TwainStateException target = new TwainStateException(state, minState, maxState, dataGroup, argumentType, twainMessage, message);
Assert.AreEqual(state, target.ActualState, "State mismatch.");
Assert.AreEqual(minState, target.MinStateExpected, "Minimum mismatch.");
Assert.AreEqual(maxState, target.MaxStateExpected, "Maximum mismatch.");
Assert.AreEqual(dataGroup, target.DataGroup, "DataGroup mismatch.");
Assert.AreEqual(argumentType, target.ArgumentType, "ArgumentType mismatch.");
Assert.AreEqual(twainMessage, target.TwainMessage, "TwainMessage mismatch.");
Assert.AreEqual(message, target.Message, "Message mismatch.");
}
/// <summary>
/// Capability triplet call with custom DAT and message.
/// </summary>
/// <param name="DAT"></param>
/// <param name="message"></param>
/// <param name="capability"></param>
/// <returns></returns>
public ReturnCode Custom(DataArgumentType DAT, Message message, ref TW_CAPABILITY capability)
{
if (Is32Bit)
{
if (IsWin)
{
return(NativeMethods.DsmWin32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
if (IsMac)
{
return(NativeMethods.DsmMac32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
}
if (IsWin)
{
return(NativeMethods.DsmWin64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
if (IsMac)
{
return(NativeMethods.DsmMac64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DAT, message, ref capability));
}
return(ReturnCode.Failure);
}
public static extern TwainResult DsCapability([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] TwainCapability capa);
public static extern TwainResult DsmStatus([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] Status dsmstat);
public static extern TwainResult DsPendingTransfer([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] PendingXfers pxfr);
public static extern TwainResult DsImageTransfer([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, ref IntPtr hbitmap);
public static extern TwainResult DsImageTransfer([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, ref IntPtr hbitmap);
public static extern TwainResult DsImageInfo([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] ImageInfo imginf);
public static extern TwainResult DsUserInterface([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, UserInterface ui);
public static extern TwainResult DsmIdentity([In, Out] Identity origin, IntPtr zeroPtr, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] Identity idds);
public static extern TwainResult DsStatus([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] Status dsmstat);
public static extern TwainResult DsmParent([In, Out] Identity origin, IntPtr zeroPtr, DataGroup dg, DataArgumentType dat, Message msg, ref IntPtr windowHandle);
public static extern TwainResult DsCapability([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] TwainCapability capa);
public static extern TwainResult DsEvent([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, ref Event evt);
public static extern TwainResult DsEvent([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, ref Event evt);
public static extern TwainResult DsImageInfo([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] ImageInfo imginf);
public static extern TwainResult DsImageLayout([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] ImageLayout imglyt);
public static extern TwainResult DsImageLayout([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] ImageLayout imglyt);
public static extern TwainResult DsmIdentity([In, Out] Identity origin, IntPtr zeroPtr, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] Identity idds);
/// <summary>
/// Verifies the session is within the specified state range (inclusive). Throws
/// <see cref="TwainStateException" /> if violated.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="allowedMinimum">The allowed minimum.</param>
/// <param name="allowedMaximum">The allowed maximum.</param>
/// <param name="group">The triplet data group.</param>
/// <param name="dataArgumentType">The triplet data argument type.</param>
/// <param name="message">The triplet message.</param>
/// <exception cref="TwainStateException"></exception>
public static void VerifyState(this ITwainSessionInternal session, int allowedMinimum, int allowedMaximum, DataGroups group, DataArgumentType dataArgumentType, Message message)
{
if (session.EnforceState && (session.State < allowedMinimum || session.State > allowedMaximum))
{
throw new TwainStateException(session.State, allowedMinimum, allowedMaximum, group, dataArgumentType, message,
string.Format(CultureInfo.InvariantCulture, "TWAIN state {0} does not match required range {1}-{2} for operation {3}-{4}-{5}.",
session.State, allowedMinimum, allowedMaximum, group, dataArgumentType, message));
}
}
public static extern TwainResult DsPendingTransfer([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] PendingXfers pxfr);
public static extern TwainResult DsImageMemXfer([In, Out] Identity origin, [In] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, [In, Out] ImageMemXfer memxfer);
public static extern TwainResult DsUserInterface([In, Out] Identity origin, [In, Out] Identity dest, DataGroup dg, DataArgumentType dat, Message msg, UserInterface ui);
public static extern TwainResult DsmParent([In, Out] Identity origin, IntPtr zeroPtr, DataGroup dg, DataArgumentType dat, Message msg, ref IntPtr windowHandle);
