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More cleanup.

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soukoku
2014-04-05 20:50:13 -04:00
parent 5385cc6921
commit 20b92df2d9
2 changed files with 90 additions and 61 deletions
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44
NTwain/TwainSessionOld.cs
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@@ -29,7 +29,7 @@ namespace NTwain
/// <exception cref="System.ArgumentNullException"></exception>
public TwainSessionOld(TWIdentity appId) : base(appId) { }
private void DoTransferRoutine()
protected override void DoTransferRoutine()
{
TWPendingXfers pending = new TWPendingXfers();
var rc = ReturnCode.Success;
@@ -191,48 +191,6 @@ namespace NTwain
#region messaging use
protected override void HandleSourceMsg(TWIdentity origin, TWIdentity destination, DataGroups dg, DataArgumentType dat, Values.Message msg, IntPtr data)
{
if (msg != Values.Message.Null)
{
Debug.WriteLine(string.Format("Thread {0}: HandleSourceMsg at state {1} with DG={2} DAT={3} MSG={4}.", Thread.CurrentThread.ManagedThreadId, State, dg, dat, msg));
}
switch (msg)
{
case Values.Message.XferReady:
if (State < 6)
State = 6;
// this is the meat of all twain stuff
DoTransferRoutine();
break;
case Values.Message.DeviceEvent:
TWDeviceEvent de;
var rc = DGControl.DeviceEvent.Get(out de);
if (rc == ReturnCode.Success)
{
OnDeviceEvent(new DeviceEventArgs(de));
}
break;
case Values.Message.CloseDSReq:
case Values.Message.CloseDSOK:
// even though it says closeDS it's really disable.
// dsok is sent if source is enabled with uionly
// some sources send this at other states so do a step down
if (State > 5)
{
ForceStepDown(4);
}
else if (State == 5)
{
// needs this state check since some source sends this more than once
DisableSource();
}
break;
}
}
/// <summary>
/// Message loop processor for winform.
/// Use this by adding the <see cref="TwainSessionOld"/> as an <see cref="IMessageFilter "/>.