private void Form2_FormClosed(object sender, FormClosedEventArgs e)
{
// Ensure that you correctly disconnect from the tablet, otherwise you are
// likely to get errors when wanting to connect a second time.
if (m_tablet != null)
{
m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException);
m_tablet.onPenData -= new wgssSTU.ITabletEvents2_onPenDataEventHandler(onPenData);
m_tablet.onPenDataEncrypted -= new wgssSTU.ITabletEvents2_onPenDataEncryptedEventHandler(onPenDataEncrypted);
m_tablet.onPenDataTimeCountSequence -= new wgssSTU.ITabletEvents2_onPenDataTimeCountSequenceEventHandler(onPenDataTimeCountSequence);
m_tablet.onPenDataTimeCountSequenceEncrypted -= new wgssSTU.ITabletEvents2_onPenDataTimeCountSequenceEncryptedEventHandler(onPenDataTimeCountSequenceEncrypted);
m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException);
m_tablet.setInkingMode(0x00);
// We have to disable encryption before sending any image to the pad (even just to clear it)
if (m_useEncryption)
{
m_tablet.endCapture();
}
m_tablet.setClearScreen();
m_tablet.disconnect();
}
m_penInk.Dispose();
}
private bool disconnectB(bool repeat = false)
{
bool previousWarning = false;
if (dispatcherTimer.IsEnabled)
{
previousWarning = true;
dispatcherTimer.Stop();
}
bool ret = false; //this means everything is OK
if (null != m_tablet)
{
if (m_tablet.isConnected())
{
try
{
m_tablet.disconnect();
if (previousWarning)
{
SetWarning(false);
}
}
catch (Exception e)
{
ret = true;
if (DebugInfo.IsDebuggerAttached())
{
MessageBoxResult result = MessageBox.Show("Error disconnecting from a Pad. Exception: " + e.ToString(),
"Confirmation", MessageBoxButton.OK, MessageBoxImage.Question);
}
if (repeat)
{
RemoveHandlers(dispatcherTimer);
dispatcherTimer.Tick += delegate { disconnectB(repeat); };
dispatcherTimer.Start();
if (!previousWarning)
{
SetWarning(true);
}
}
}
}
else
{
if (previousWarning)
{
SetWarning(false);
}
}
}
return(ret);
}
private void Form2_FormClosed(object sender, FormClosedEventArgs e)
{
// Ensure that you correctly disconnect from the tablet, otherwise you are
// likely to get errors when wanting to connect a second time.
if (m_tablet != null)
{
m_tablet.onPenData -= new wgssSTU.ITabletEvents2_onPenDataEventHandler(onPenData);
m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException);
m_tablet.setInkingMode(0x00);
m_tablet.setClearScreen();
m_tablet.disconnect();
}
m_penInk.Dispose();
}