public void Close()
{
if (m_hCTX != IntPtr.Zero)
{
WinTab.WTClose(m_hCTX);
m_hCTX = IntPtr.Zero;
}
else
{
throw new Exception("Context is not initialized.");
}
}
public unsafe WinTabContext Open(IntPtr hWnd, bool bEnable)
{
fixed(LOGCONTEXT *p = &m_srLogContext)
{
WinTab.WTInfo(InfoCategory.DEFCONTEXT, 0, p);
m_srLogContext.lcOptions = ContextOption.MESSAGES | ContextOption.SYSTEM | ContextOption.CSRMESSAGES;
m_srLogContext.lcPktData = WinTab.WTPKT_ALL_WITHOUT_XY;
m_srLogContext.lcPktMode = WTPKT.BUTTONS;
m_srLogContext.lcSysMode = 0;
m_hCTX = WinTab.WTOpen(hWnd, p, Convert.ToInt32(bEnable));
}
m_bEnabled = bEnable;
return(this);
}
protected override void WndProc(ref Message eventMsg)
{
// Listen for operating system messages
//parent.testTextBox.AppendText("msg: " + eventMsg + "\n");
switch (eventMsg.Msg)
{
case WM_ACTIVATE:
{
HCTX hCtx = parent.HLogContext;
if (hCtx > 0)
{
Int32 activateState = eventMsg.WParam.ToInt32() & 0xFFFF;
CWintabFuncs.WTEnable(parent.HLogContext, (activateState > 0));
if (activateState > 0)
{
CWintabFuncs.WTOverlap(hCtx, true);
}
}
}
break;
case (int)WintabEventMessage.WT_PACKET:
{
// Notify the parent form that a data packet was received.
UInt32 pktSerialNum = (UInt32)eventMsg.WParam;
UInt32 hContext = (UInt32)eventMsg.LParam;
parent.HandleEvent_WT_PACKET(hContext, pktSerialNum);
}
break;
default:
base.WndProc(ref eventMsg);
break;
}
}
public WinTabContext(HCTX i)
{
m_hCTX = i;
}
public WinTabContext()
{
m_hCTX = IntPtr.Zero;
}
