public static extern ReturnCode DsmWin32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_CUSTOMDSDATA data);
ReturnCode DoIt(Message msg, ref TW_CUSTOMDSDATA data)
{
if (Is32Bit)
{
if (IsWin)
{
return(NativeMethods.DsmWin32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
if (IsMac)
{
return(NativeMethods.DsmMac32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
}
if (IsWin)
{
return(NativeMethods.DsmWin64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
if (IsMac)
{
return(NativeMethods.DsmMac64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Control, DataArgumentType.CustomDSData, msg, ref data));
}
return(ReturnCode.Failure);
}
public ReturnCode Set(ref TW_CUSTOMDSDATA data)
{
return(DoIt(Message.Set, ref data));
}
/// <summary>
/// Get/Set the custom DS data...
/// </summary>
/// <param name="a_dg">Data group</param>
/// <param name="a_msg">Operation</param>
/// <param name="a_twcustomdsdata">CUSTOMDSDATA structure</param>
/// <returns>TWAIN status</returns>
public STS DatCustomdsdata(DG a_dg, MSG a_msg, ref TW_CUSTOMDSDATA a_twcustomdsdata)
{
STS sts;
// Submit the work to the TWAIN thread...
if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
{
lock (m_lockTwain)
{
// Set our command variables...
ThreadData threaddata = default(ThreadData);
threaddata.twcustomdsdata = a_twcustomdsdata;
threaddata.dg = a_dg;
threaddata.msg = a_msg;
threaddata.dat = DAT.CUSTOMDSDATA;
long lIndex = m_twaincommand.Submit(threaddata);
// Submit the command and wait for the reply...
CallerToThreadSet();
ThreadToCallerWaitOne();
// Return the result...
a_twcustomdsdata = m_twaincommand.Get(lIndex).twcustomdsdata;
sts = m_twaincommand.Get(lIndex).sts;
// Clear the command variables...
m_twaincommand.Delete(lIndex);
}
return (sts);
}
// Log it...
if (Log.GetLevel() > 0)
{
Log.LogSendBefore(a_dg.ToString(), DAT.CUSTOMDSDATA.ToString(), a_msg.ToString(), CustomdsdataToCsv(a_twcustomdsdata));
}
// Windows...
if (ms_platform == Platform.WINDOWS)
{
// Issue the command...
try
{
if (m_blUseLegacyDSM)
{
sts = (STS)WindowsTwain32DsmEntryCustomdsdata(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.CUSTOMDSDATA, a_msg, ref a_twcustomdsdata);
}
else
{
sts = (STS)WindowsTwaindsmDsmEntryCustomdsdata(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.CUSTOMDSDATA, a_msg, ref a_twcustomdsdata);
}
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Linux...
else if (ms_platform == Platform.LINUX)
{
// Issue the command...
try
{
if (GetMachineWordBitSize() == 32)
{
sts = (STS)LinuxDsmEntryCustomdsdata(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.CUSTOMDSDATA, a_msg, ref a_twcustomdsdata);
}
else
{
sts = (STS)Linux64DsmEntryCustomdsdata(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.CUSTOMDSDATA, a_msg, ref a_twcustomdsdata);
}
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Mac OS X, which has to be different...
else if (ms_platform == Platform.MACOSX)
{
// Issue the command...
try
{
sts = (STS)MacosxDsmEntryCustomdsdata(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.CUSTOMDSDATA, a_msg, ref a_twcustomdsdata);
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Uh-oh...
else
{
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
// Log it...
if (Log.GetLevel() > 0)
{
Log.LogSendAfter(sts.ToString(), CustomdsdataToCsv(a_twcustomdsdata));
}
// All done...
return (AutoDatStatus(sts));
}
/// <summary>
/// Convert the contents of a string to a custom DS data structure...
/// </summary>
/// <param name="a_twcustomdsdata">A TWAIN structure</param>
/// <param name="a_szCustomdsdata">A CSV string of the TWAIN structure</param>
/// <returns>True if the conversion is successful</returns>
public bool CsvToCustomdsdata(ref TW_CUSTOMDSDATA a_twcustomdsdata, string a_szCustomdsdata)
{
// Init stuff...
a_twcustomdsdata = default(TW_CUSTOMDSDATA);
// Build the string...
try
{
string[] asz = CSV.Parse(a_szCustomdsdata);
// Grab the values...
a_twcustomdsdata.InfoLength = uint.Parse(asz[0]);
a_twcustomdsdata.hData = DsmMemAlloc(a_twcustomdsdata.InfoLength);
IntPtr intptr = DsmMemLock(a_twcustomdsdata.hData);
byte[] bProfile = new byte[a_twcustomdsdata.InfoLength];
Marshal.Copy((IntPtr)UInt64.Parse(asz[1]), bProfile, 0, (int)a_twcustomdsdata.InfoLength);
Marshal.Copy(bProfile, 0, intptr, (int)a_twcustomdsdata.InfoLength);
DsmMemUnlock(a_twcustomdsdata.hData);
}
catch
{
return (false);
}
// All done...
return (true);
}
/// <summary>
/// Convert the contents of a custom DS data to a string that we can show in
/// our simple GUI...
/// </summary>
/// <param name="a_twcustomdsdata">A TWAIN structure</param>
/// <returns>A CSV string of the TWAIN structure</returns>
public string CustomdsdataToCsv(TW_CUSTOMDSDATA a_twcustomdsdata)
{
try
{
CSV csv = new CSV();
csv.Add(a_twcustomdsdata.InfoLength.ToString());
IntPtr intptr = DsmMemLock(a_twcustomdsdata.hData);
csv.Add(intptr.ToString());
DsmMemUnlock(a_twcustomdsdata.hData);
return (csv.Get());
}
catch
{
return ("***error***");
}
}
private static extern UInt16 MacosxDsmEntryCustomdsdata
(
ref TW_IDENTITY_MACOSX origin,
ref TW_IDENTITY_MACOSX dest,
DG dg,
DAT dat,
MSG msg,
ref TW_CUSTOMDSDATA twcustomedsdata
);
private static extern UInt16 Linux64DsmEntryCustomdsdata
(
ref TW_IDENTITY origin,
ref TW_IDENTITY dest,
DG dg,
DAT dat,
MSG msg,
ref TW_CUSTOMDSDATA twcustomdsdata
);
private static extern UInt16 WindowsTwaindsmDsmEntryCustomdsdata
(
ref TW_IDENTITY_LEGACY origin,
ref TW_IDENTITY_LEGACY dest,
DG dg,
DAT dat,
MSG msg,
ref TW_CUSTOMDSDATA twcustomdsdata
);
