/// <summary>
/// Returns a list of indecies of previous or currently attached devices.
/// It is up to the caller to use the list to determine which devices are
/// actually physically device by responding to data events for those devices.
/// Devices that are not physically attached will, of course, never send
/// a data event.
/// </summary>
/// <returns></returns>
public static List <Byte> GetFoundDevicesIndexList()
{
List <Byte> list = new List <Byte>();
try
{
WintabLogContext ctx = new WintabLogContext();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(ctx);
for (Int32 idx = 0; idx < MAX_NUM_ATTACHED_TABLETS; idx++)
{
int size = (int)CWintabFuncs.WTInfoA(
(UInt32)(EWTICategoryIndex.WTI_DDCTXS + idx), 0, buf);
if (size == 0)
{
break;
}
else
{
list.Add((Byte)idx);
}
}
CMemUtils.FreeUnmanagedBuf(buf);
}
catch (Exception ex)
{
MessageBox.Show("FAILED GetNumberOfConfiguredDevices: " + ex.ToString());
}
return(list);
}
/// <summary>
/// Return the number of tablets that have at some time been attached.
/// A record of these devices is in the tablet settings. Since there
/// is no direct query for this value, we have to enumerate all of
/// the tablet settings.
/// </summary>
/// <returns>tablet count</returns>
public static UInt32 GetNumberOfConfiguredDevices()
{
UInt32 numConfiguredTablets = 0;
try
{
WintabLogContext ctx = new WintabLogContext();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(ctx);
for (Int32 idx = 0; idx < MAX_NUM_ATTACHED_TABLETS; idx++)
{
int size = (int)CWintabFuncs.WTInfoA(
(UInt32)(EWTICategoryIndex.WTI_DDCTXS + idx), 0, buf);
if (size == 0)
{
break;
}
else
{
numConfiguredTablets++;
}
}
CMemUtils.FreeUnmanagedBuf(buf);
}
catch (Exception ex)
{
MessageBox.Show("FAILED GetNumberOfConfiguredDevices: " + ex.ToString());
}
return(numConfiguredTablets);
}
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
if (!m_hCTX.IsValid)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = HCTX.Zero;
m_logContext = new WintabLogContext();
return(status);
}
/// <summary>
/// Close the context for this object.
///
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try {
if (!m_hCTX.IsValid)
{
throw new Exception("CloseContext: invalid context");
}
status = WNativeMethods.WTClose(m_hCTX);
m_hCTX = HCTX.Zero;
m_logContext = new WintabLogContext();
WMessageEvents.Close();
} catch (Exception ex) {
throw new Exception("FAILED CloseContext: " + ex.ToString());
}
return(status);
}
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try
{
if (m_hCTX == 0)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = 0;
m_logContext = new WintabLogContext();
}
catch (Exception ex)
{
MessageBox.Show("FAILED CloseContext: " + ex.ToString());
}
return(status);
}
public static extern P_HCTX WTOpen(P_HWND hWnd_I, ref WintabLogContext logContext_I, bool enable_I);
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try
{
if (m_hCTX == 0)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = 0;
m_logContext = new WintabLogContext();
}
catch (Exception ex)
{
MessageBox.Show("FAILED CloseContext: " + ex.ToString());
}
return status;
}
public static extern P_HCTX WTOpenA(P_HWND hWnd_I, ref WintabLogContext logContext_I, bool enable_I);