public QueryDataForm()
{
InitializeComponent();
this.FormClosing += QueryDataForm_FormClosing;
try
{
// Open a Wintab context that does not send Wintab data events.
m_logContext = OpenQueryDigitizerContext();
// Create a data object.
m_wtData = new CWintabData(m_logContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public QueryDataForm()
{
InitializeComponent();
try
{
// Open a Wintab context that does not send Wintab data events.
m_logContext = OpenQueryDigitizerContext();
// Create a data object.
m_wtData = new CWintabData(m_logContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
//TraceMsg("Press \"Test\" and touch pen to tablet.\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public QueryDataForm()
{
InitializeComponent();
try
{
// Open a Wintab context that does not send Wintab data events.
m_logContext = OpenQueryDigitizerContext();
// Create a data object.
m_wtData = new CWintabData(m_logContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
//TraceMsg("Press \"Test\" and touch pen to tablet.\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
///////////////////////////////////////////////////////////////////////
private void QueryDataForm_FormClosing(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
TraceMsg("QueryDataForm - Closing context...\n");
if (m_wtData != null)
{
m_wtData.RemoveWTPacketEventHandler(MyWTPacketEventHandler);
m_wtData = null;
}
if (m_logContext != null)
{
m_logContext.Close();
m_logContext = null;
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
///////////////////////////////////////////////////////////////////////
private void Test_DataPacketQueueSize()
{
bool status = false;
UInt32 numPackets = 0;
CWintabContext logContext = null;
try
{
logContext = OpenTestDigitizerContext();
if (logContext == null)
{
TraceMsg("Test_DataPacketQueueSize: FAILED OpenTestDigitizerContext - bailing out...\n");
return;
}
CWintabData wtData = new CWintabData(logContext);
TraceMsg("Creating CWintabData object: " + (wtData != null ? "PASSED" : "FAILED") + "\n");
if (wtData == null)
{
throw new Exception("Could not create CWintabData object.");
}
numPackets = wtData.GetPacketQueueSize();
TraceMsg("Initial packet queue size: " + numPackets + "\n");
status = wtData.SetPacketQueueSize(17);
TraceMsg("Setting packet queue size: " + (status ? "PASSED" : "FAILED") + "\n");
numPackets = wtData.GetPacketQueueSize();
TraceMsg("Modified packet queue size: " + numPackets + "\n");
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
finally
{
if (logContext != null)
{
status = logContext.Close();
TraceMsg("Context Close: " + (status ? "PASSED" : "FAILED") + "\n");
}
}
}
///////////////////////////////////////////////////////////////////////
// Helper functions
//
///////////////////////////////////////////////////////////////////////
private void InitDataCapture(
int ctxWidth_I = m_TABEXTX, int ctxHeight_I = m_TABEXTY, bool ctrlSysCursor_I = true)
{
try
{
// Close context from any previous test.
CloseCurrentContext();
TraceMsg("Opening context...\n");
m_logContext = OpenTestSystemContext(ctxWidth_I, ctxHeight_I, ctrlSysCursor_I);
if (m_logContext == null)
{
TraceMsg("Test_DataPacketQueueSize: FAILED OpenTestSystemContext - bailing out...\n");
return;
}
// Create a data object and set its WT_PACKET handler.
m_wtData = new CWintabData(m_logContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
///////////////////////////////////////////////////////////////////////
private void CloseCurrentContext()
{
try
{
TraceMsg("Closing context...\n");
if (m_logContext != null)
{
m_logContext.Close();
m_logContext = null;
m_wtData = null;
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
private bool InitWintab()
{
bool status = false;
try
{
mLogContext = CWintabInfo.GetDefaultDigitizingContext(ECTXOptionValues.CXO_MESSAGES);
if (mLogContext == null)
{
return false;
//throw new Exception("Oops - FAILED GetDefaultDigitizingContext");
}
// Control system cursor.
mLogContext.Options |= (UInt32)ECTXOptionValues.CXO_SYSTEM;
// Verify which extensions are available for targeting.
// Once we know what the tablet supports, we can set up the data packet
// definition to be sent events from those control types.
// All tablets should have at least expresskeys.
mExpKeysMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_EXPKEYS2);
if (mExpKeysMask > 0)
{
mLogContext.PktData |= (WTPKT)mExpKeysMask;
}
else
{
Debug.WriteLine("InitWintab: WTX_EXPKEYS2 mask not found!");
throw new Exception("Oops - FAILED GetWTExtensionMask for WTX_EXPKEYS2");
}
// It's not an error if either / both of these are zero. It simply means
// that those control types are not supported.
mTouchRingMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_TOUCHRING);
if (mTouchRingMask > 0)
{
mLogContext.PktData |= (WTPKT)mTouchRingMask;
}
mTouchStripMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_TOUCHSTRIP);
if (mTouchStripMask > 0)
{
mLogContext.PktData |= (WTPKT)mTouchStripMask;
}
status = mLogContext.Open();
if (!status)
{
//throw new Exception("Oops - failed logContext.Open()");
return false;
}
// Setup controls and overrides for first tablet.
SetupControlsForTablet(mTabletIndexDefault);
// Create a data object and set its WT_PACKET handler.
m_wtData = new CWintabData(mLogContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
}
catch (Exception ex)
{
MessageBox.Show("FormExtTestApp: InitWintab: " + ex.ToString());
}
return true;
}
//---------------------------------------------------------------------
// Prepare to take tablet input
//---------------------------------------------------------------------
private void PrepareForTabletInput(object sender, EventArgs e)
{
// Set up the tablet context
CWintabContext context = new CWintabContext();
context = CWintabInfo.GetDefaultDigitizingContext(ECTXOptionValues.CXO_MESSAGES);
// Allow the mouse to move
context.Options |= (uint)ECTXOptionValues.CXO_SYSTEM;
context.Name = "Tablet event data context";
context.OutOrgX = 0;
context.OutOrgY = 0;
context.OutExtX = 800;
context.OutExtY = 600;
bool status = context.Open();
// Prepare to take data
data = new CWintabData(context);
data.SetWTPacketEventHandler(TabletEventHandler);
}