public static void PLOCRtwain_TwainStateChanged(object sender, Twain32.TwainStateEventArgs e)
{
using (Twain32 PLOCRtwain = new Twain32())
{
try
{
// ...
_isDataSourceOpen = (e.TwainState & Twain32.TwainStateFlag.DSOpen) != 0;
// ...
MessageBox.Show("twain 상태가 변경되었습니다.");
}
catch (Exception ex)
{
// ...
}
}
}
private void _twain_TwainStateChanged(object sender, Twain32.TwainStateEventArgs e)
{
try
{
if ((e.TwainState & Twain32.TwainStateFlag.DSEnabled) == 0 && this._isEnable)
{
this._isEnable = false;
// <<< scaning finished (or closed)
}
this._isEnable = (e.TwainState & Twain32.TwainStateFlag.DSEnabled) != 0;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, _ExceptionCaption,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void _twain_TwainStateChanged(object sender, Twain32.TwainStateEventArgs e)
{
logger.Debug("Handle TwainState");
if ((e.TwainState & Twain32.TwainStateFlag.DSEnabled) == 0 && this._isEnable)
{
this._isEnable = false;
// <<< scaning finished (or closed)
if (stream != null)
{
FinishImageTransfer();
}
logger.Debug("Сканирование закончено...");
_twain32.CloseDataSource();
}
this._isEnable = (e.TwainState & Twain32.TwainStateFlag.DSEnabled) != 0;
logger.Debug($"Handle TwainState end");
}
