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Minor change to work with some DS behaviors.

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soukoku
2014-05-07 06:47:16 -04:00
parent cad4d96887
commit ade7c32888
3 changed files with 15 additions and 10 deletions
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4
NTwain/TwainSession.cs
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@@ -631,7 +631,7 @@ namespace NTwain
void HandleWndProcMessage(ref WindowsHook.MESSAGE winMsg, ref bool handled)
{
// this handles the message from a typical WndProc message loop and check if it's from the TWAIN source.
if (State >= 5)
if (_state >= 5)
{
// transform it into a pointer for twain
IntPtr msgPtr = IntPtr.Zero;
@@ -659,7 +659,7 @@ namespace NTwain
ReturnCode HandleCallback(TWIdentity origin, TWIdentity destination, DataGroups dg, DataArgumentType dat, Message msg, IntPtr data)
{
if (origin != null && SourceId != null && origin.Id == SourceId.Id)
if (origin != null && SourceId != null && origin.Id == SourceId.Id && _state >= 5)
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: CallbackHandler at state {1} with MSG={2}.", Thread.CurrentThread.ManagedThreadId, State, msg));
// spec says we must handle this on the thread that enabled the DS.