/// <summary>
/// Returns the default digitizing context, with useful context overrides.
/// </summary>
/// <param name="options_I">caller's options; OR'd into context options</param>
/// <returns>A valid context object or null on error.</returns>
public static CWintabContext GetDefaultDigitizingContext(ECTXOptionValues options_I = 0)
{
// Send all possible data bits (not including extended data).
// This is redundant with CWintabContext initialization, which
// also inits with PK_PKTBITS_ALL.
uint PACKETDATA = (uint)EWintabPacketBit.PK_PKTBITS_ALL; // The Full Monty
uint PACKETMODE = (uint)EWintabPacketBit.PK_BUTTONS;
CWintabContext context = GetDefaultContext(EWTICategoryIndex.WTI_DEFCONTEXT);
if (context != null)
{
// Add digitizer-specific context tweaks.
context.PktMode = 0; // all data in absolute mode (set EWintabPacketBit bit(s) for relative mode)
context.SysMode = false; // system cursor tracks in absolute mode (zero)
// Add caller's options.
context.Options |= (uint)options_I;
// Set the context data bits.
context.PktData = PACKETDATA;
context.PktMode = PACKETMODE;
context.MoveMask = PACKETDATA;
context.BtnUpMask = context.BtnDnMask;
}
return(context);
}
/// <summary>
/// Write out an image to a tablet's OLED (Organic Light Emitting Diode)
/// if supported by the tablet (eg: Intuos4).
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="imageFilePath_I">path to PNG image file</param>
private static bool SetIcon(
CWintabContext context_I,
EWTXExtensionTag extTagIndex_I,
UInt32 tabletIndex_I,
UInt32 controlIndex_I,
UInt32 functionIndex_I,
String imageFilePath_I)
{
try
{
if (!CWintabExtensions.ControlPropertySetImage(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_OVERRIDE_ICON,
imageFilePath_I))
{
throw new Exception("Oops - FAILED ControlPropertySet for TABLET_PROPERTY_OVERRIDE");
}
}
catch (Exception ex)
{
throw ex;
}
return(true);
}
/// <summary>
/// Returns the default system context, with useful context overrides.
/// </summary>
/// <param name="options_I">caller's options; OR'd into context options</param>
/// <returns>A valid context object or null on error.</returns>
public static CWintabContext GetDefaultSystemContext(ECTXOptionValues options_I = 0)
{
// Send all possible data bits (not including extended data).
// This is redundant with CWintabContext initialization, which
// also inits with PK_PKTBITS_ALL.
uint PACKETDATA = (uint)EWintabPacketBit.PK_PKTBITS_ALL; // The Full Monty
uint PACKETMODE = (uint)EWintabPacketBit.PK_BUTTONS;
CWintabContext context = GetDefaultContext(EWTICategoryIndex.WTI_DEFSYSCTX);
if (context != null)
{
// TODO: Add system-specific context tweaks.
// Add caller's options.
context.Options |= (uint)options_I;
// Make sure we get data packet messages.
context.Options |= (uint)ECTXOptionValues.CXO_MESSAGES;
// Set the context data bits.
context.PktData = PACKETDATA;
context.PktMode = PACKETMODE;
context.MoveMask = PACKETDATA;
context.BtnUpMask = context.BtnDnMask;
}
return(context);
}
/// <summary>
/// Initialize this data object.
/// </summary>
/// <param name="context_I">logical context for this data object</param>
private void Init(CWintabContext context_I)
{
if (context_I == null)
{
throw new Exception("Trying to init CWintabData with null context.");
}
m_context = context_I;
// Watch for the Wintab WT_PACKET event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKET);
// Watch for the Wintab WT_PACKETEXT event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKETEXT);
}
/// <summary>
/// Initialize this data object.
/// </summary>
/// <param name="context_I">logical context for this data object</param>
private void Init(CWintabContext context_I)
{
try
{
if (context_I == null)
{
throw new Exception("Trying to init CWintabData with null context.");
}
m_context = context_I;
}
catch (Exception ex)
{
MessageBox.Show("FAILED CWintabData.Init: " + ex.ToString());
}
}
private CWintabContext OpenQueryDigitizerContext()
{
bool status = false;
CWintabContext logContext = null;
try
{
// Get the default digitizing context. Turn off events. Control system cursor.
logContext = CWintabInfo.GetDefaultDigitizingContext(ECTXOptionValues.CXO_SYSTEM);
logContext.Options |= (uint)ECTXOptionValues.CXO_MESSAGES;
logContext.Options &= ~(uint)ECTXOptionValues.CXO_SYSTEM;
if (logContext == null)
{
TraceMsg("OpenQueryDigitizerContext: FAILED to get default digitizing context.\n");
//System.Diagnostics.Debug.WriteLine("FAILED to get default digitizing context.");
return(null);
}
// Modify the digitizing region.
logContext.Name = "WintabDN Query Data Context";
//WintabAxis tabletX = CWintabInfo.GetTabletAxis(EAxisDimension.AXIS_X);
//WintabAxis tabletY = CWintabInfo.GetTabletAxis(EAxisDimension.AXIS_Y);
//// Output X/Y values 1-1 with tablet dimensions.
// logContext.OutOrgX = logContext.OutOrgY = 0;
// logContext.OutExtX = tabletX.axMax;
// logContext.OutExtY = tabletY.axMax;
logContext.SysOrgX = logContext.SysOrgY = 0;
logContext.SysExtX = SystemInformation.PrimaryMonitorSize.Width;
logContext.SysExtY = SystemInformation.PrimaryMonitorSize.Height;
// Open the context, which will also tell Wintab to send data packets.
status = logContext.Open();
TraceMsg("Context Open: " + (status ? "PASSED [ctx=" + logContext.HCtx + "]" : "FAILED") + "\n");
//System.Diagnostics.Debug.WriteLine("Context Open: " + (status ? "PASSED [ctx=" + logContext.HCtx + "]" : "FAILED"));
}
catch (Exception ex)
{
TraceMsg("OpenQueryDigitizerContext: ERROR : " + ex.ToString());
}
return(logContext);
}
/// <summary>
/// Helper function to get digitizing or system default context.
/// </summary>
/// <param name="contextType_I">Use WTI_DEFCONTEXT for digital context or WTI_DEFSYSCTX for system context</param>
/// <returns>Returns the default context or null on error.</returns>
private static CWintabContext GetDefaultContext(EWTICategoryIndex contextIndex_I)
{
CWintabContext context = new CWintabContext();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(context.LogContext);
try
{
int size = (int)CWintabFuncs.WTInfo((uint)contextIndex_I, 0, buf);
context.LogContext = CMemUtils.MarshalUnmanagedBuf <WintabLogContext>(buf, size);
}
finally
{
CMemUtils.FreeUnmanagedBuf(buf);
}
return(context);
}
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());
}
}
/// <summary>
/// Helper function to get digitizing or system default context.
/// </summary>
/// <param name="contextType_I">Use WTI_DEFCONTEXT for digital context or WTI_DEFSYSCTX for system context</param>
/// <returns>Returns the default context or null on error.</returns>
private static CWintabContext GetDefaultContext(EWTICategoryIndex contextIndex_I)
{
CWintabContext context = new CWintabContext();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(context.LogContext);
try
{
int size = (int)CWintabFuncs.WTInfoA((uint)contextIndex_I, 0, buf);
context.LogContext = CMemUtils.MarshalUnmanagedBuf <WintabLogContext>(buf, size);
}
catch (Exception ex)
{
MessageBox.Show("FAILED GetDefaultContext: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(context);
}
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());
}
}
/// <summary>
/// Initialize this data object.
/// </summary>
/// <param name="context_I">logical context for this data object</param>
private void Init(CWintabContext context_I)
{
try
{
if (context_I == null)
{
throw new Exception("Trying to init CWintabData with null context.");
}
m_context = context_I;
// Watch for the Wintab WT_PACKET event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKET);
// Watch for the Wintab WT_PACKETEXT event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKETEXT);
}
catch (Exception ex)
{
MessageBox.Show("FAILED CWintabData.Init: " + 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 CWintabContext OpenQueryDigitizerContext()
{
bool status = false;
CWintabContext logContext = null;
try
{
// Get the default digitizing context. Turn off events. Control system cursor.
logContext = CWintabInfo.GetDefaultDigitizingContext(ECTXOptionValues.CXO_SYSTEM);
logContext.Options |= (uint)ECTXOptionValues.CXO_MESSAGES;
if (logContext == null)
{
TraceMsg("OpenQueryDigitizerContext: FAILED to get default digitizing context.\n");
//System.Diagnostics.Debug.WriteLine("FAILED to get default digitizing context.");
return(null);
}
// Modify the digitizing region.
logContext.Name = "WintabDN Query Data Context";
// output in a 5000 x 5000 grid
logContext.OutOrgX = logContext.OutOrgY = 0;
logContext.OutExtX = 5000;
logContext.OutExtY = 5000;
// Open the context, which will also tell Wintab to send data packets.
status = logContext.Open();
TraceMsg("Context Open: " + (status ? "PASSED [ctx=" + logContext.HCtx + "]" : "FAILED") + "\n");
//System.Diagnostics.Debug.WriteLine("Context Open: " + (status ? "PASSED [ctx=" + logContext.HCtx + "]" : "FAILED"));
}
catch (Exception ex)
{
TraceMsg("OpenQueryDigitizerContext: ERROR : " + ex.ToString());
}
return(logContext);
}
///////////////////////////////////////////////////////////////////////
// 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());
}
}
/// <summary>
/// CWintabData constructor
/// </summary>
/// <param name="context_I">logical context for this data object</param>
public CWintabData(CWintabContext context_I)
{
Init(context_I);
}
/// <summary>
/// Set tablet OLED display property.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="imageFilePath_I">path to PNG image file</param>
/// <returns>true if successful and tablet supports property</returns>
public static bool SetDisplayProperty(
CWintabContext context_I,
EWTXExtensionTag extTagIndex_I,
UInt32 tabletIndex_I,
UInt32 controlIndex_I,
UInt32 functionIndex_I,
String imageFilePath_I)
{
UInt32 iconFmt = 0;
// Bail out if image file not found.
if (imageFilePath_I == "" ||
!System.IO.File.Exists(imageFilePath_I))
{
return(false);
}
try
{
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_FORMAT,
ref iconFmt))
{
throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_FORMAT");
}
if ((EWTExtensionIconProperty)iconFmt != EWTExtensionIconProperty.TABLET_ICON_FMT_NONE)
{
// Get the width and height of the display icon.
UInt32 iconWidth = 0;
UInt32 iconHeight = 0;
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_WIDTH,
ref iconWidth))
{
throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_WIDTH");
}
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_HEIGHT,
ref iconHeight))
{
throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_HEIGHT");
}
return(SetIcon(context_I, extTagIndex_I, tabletIndex_I, controlIndex_I, functionIndex_I, imageFilePath_I));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
// Not supported by tablet.
return(false);
}
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;
}
/// <summary>
/// Helper function to get digitizing or system default context.
/// </summary>
/// <param name="contextType_I">Use WTI_DEFCONTEXT for digital context or WTI_DEFSYSCTX for system context</param>
/// <returns>Returns the default context or null on error.</returns>
private static CWintabContext GetDefaultContext(EWTICategoryIndex contextIndex_I)
{
CWintabContext context = new CWintabContext();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(context.LogContext);
try
{
int size = (int)CWintabFuncs.WTInfoA((uint)contextIndex_I, 0, buf);
context.LogContext = CMemUtils.MarshalUnmanagedBuf<WintabLogContext>(buf, size);
}
catch (Exception ex)
{
MessageBox.Show("FAILED GetDefaultContext: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return context;
}
///////////////////////////////////////////////////////////////////////
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());
}
}
/// <summary>
/// Initialize this data object.
/// </summary>
/// <param name="context_I">logical context for this data object</param>
private void Init(CWintabContext context_I)
{
try
{
if (context_I == null)
{
throw new Exception("Trying to init CWintabData with null context.");
}
m_context = context_I;
// Watch for the Wintab WT_PACKET event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKET);
// Watch for the Wintab WT_PACKETEXT event.
MessageEvents.WatchMessage((int)EWintabEventMessage.WT_PACKETEXT);
}
catch (Exception ex)
{
MessageBox.Show("FAILED CWintabData.Init: " + ex.ToString());
}
}
/// <summary>
/// CWintabData constructor
/// </summary>
/// <param name="context_I">logical context for this data object</param>
public CWintabData(CWintabContext context_I)
{
Init(context_I);
}
//---------------------------------------------------------------------
// 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);
}
/// <summary>
/// Set tablet OLED display property.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="imageFilePath_I">path to PNG image file</param>
/// <returns>true if successful and tablet supports property</returns>
public static bool SetDisplayProperty(
CWintabContext context_I,
EWTXExtensionTag extTagIndex_I,
UInt32 tabletIndex_I,
UInt32 controlIndex_I,
UInt32 functionIndex_I,
String imageFilePath_I)
{
UInt32 iconFmt = 0;
// Bail out if image file not found.
if (imageFilePath_I == "" ||
!System.IO.File.Exists(imageFilePath_I))
{
return false;
}
try
{
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_FORMAT,
ref iconFmt))
{ throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_FORMAT"); }
if ((EWTExtensionIconProperty)iconFmt != EWTExtensionIconProperty.TABLET_ICON_FMT_NONE)
{
// Get the width and height of the display icon.
UInt32 iconWidth = 0;
UInt32 iconHeight = 0;
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_WIDTH,
ref iconWidth))
{ throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_WIDTH"); }
if (!CWintabExtensions.ControlPropertyGet(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_ICON_HEIGHT,
ref iconHeight))
{ throw new Exception("Oops - Failed ControlPropertyGet for TABLET_PROPERTY_ICON_HEIGHT"); }
return SetIcon(context_I, extTagIndex_I, tabletIndex_I, controlIndex_I, functionIndex_I, imageFilePath_I);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
// Not supported by tablet.
return false;
}
/// <summary>
/// Write out an image to a tablet's OLED (Organic Light Emitting Diode)
/// if supported by the tablet (eg: Intuos4).
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="imageFilePath_I">path to PNG image file</param>
private static bool SetIcon(
CWintabContext context_I,
EWTXExtensionTag extTagIndex_I,
UInt32 tabletIndex_I,
UInt32 controlIndex_I,
UInt32 functionIndex_I,
String imageFilePath_I)
{
try
{
if (!CWintabExtensions.ControlPropertySetImage(
context_I.HCtx,
(byte)extTagIndex_I,
(byte)tabletIndex_I,
(byte)controlIndex_I,
(byte)functionIndex_I,
(ushort)EWTExtensionTabletProperty.TABLET_PROPERTY_OVERRIDE_ICON,
imageFilePath_I))
{ throw new Exception("Oops - FAILED ControlPropertySet for TABLET_PROPERTY_OVERRIDE"); }
}
catch (Exception ex)
{
throw ex;
}
return true;
}
///////////////////////////////////////////////////////////////////////
// Sets logContext.Out
//
// Note:
// SystemParameters.VirtualScreenLeft{Top} and SystemParameters.VirtualScreenWidth{Height}
// don't always give correct answers.
//
// Uncomment the TODO code below that enumerates all system displays
// if you want to customize.
// Else assume the passed-in extents were already set by call to WTInfo,
// in which case we still have to invert the Y extent.
private void SetSystemExtents(ref CWintabContext logContext)
{
//TODO Rectangle rect = new Rectangle(int.MaxValue, int.MaxValue, int.MinValue, int.MinValue);
//TODO foreach (Screen screen in Screen.AllScreens)
//TODO rect = Rectangle.Union(rect, screen.Bounds);
//TODO logContext.OutOrgX = rect.Left;
//TODO logContext.OutOrgY = rect.Top;
//TODO logContext.OutExtX = rect.Width;
//TODO logContext.OutExtY = rect.Height;
// In Wintab, the tablet origin is lower left. Move origin to upper left
// so that it coincides with screen origin.
logContext.OutExtY = -logContext.OutExtY;
}