internal static pxcmStatus SubscribeGestureINT(IntPtr instance, OnFiredGestureDelegate handler, out Object proxy)
{
GestureHandlerDIR gdir = new GestureHandlerDIR(handler);
pxcmStatus sts = PXCMHandConfiguration_SubscribeGesture(instance, gdir.uDIR);
if (sts < pxcmStatus.PXCM_STATUS_NO_ERROR)
{
gdir.Dispose();
}
proxy = (Object)gdir;
return(sts);
}
/**
* @brief Register an event handler object to be called on gesture events.
* The event handler's OnFiredGesture method will be called each time a gesture is identified.
*
* @param[in] gestureHandler - a pointer to the gesture handler.
*
* @return PXCM_STATUS_NO_ERROR - operation succeeded.
* @return PXCM_STATUS_PARAM_UNSUPPORTED - null gesture handler.
*
*
*/
public pxcmStatus SubscribeGesture(OnFiredGestureDelegate handler)
{
if (handler == null)
{
return(pxcmStatus.PXCM_STATUS_HANDLE_INVALID);
}
Object proxy;
pxcmStatus sts = SubscribeGestureINT(instance, handler, out proxy);
if (sts >= pxcmStatus.PXCM_STATUS_NO_ERROR)
{
lock (maps.cs)
{
maps.gesture[handler] = proxy;
}
}
return(sts);
}
/**
* @brief Unsubscribe a gesture event handler object.
* After this call no callback events will be sent to the given gestureHandler.
* @param[in] gestureHandler - a pointer to the event handler to unsubscribe.
* @return PXCM_STATUS_NO_ERROR - operation succeeded.
* @return PXCM_STATUS_PARAM_UNSUPPORTED - null gesture handler.
*/
public pxcmStatus UnsubscribeGesture(OnFiredGestureDelegate handler)
{
if (handler == null)
{
return(pxcmStatus.PXCM_STATUS_HANDLE_INVALID);
}
lock (maps.cs)
{
Object proxy;
if (!maps.gesture.TryGetValue(handler, out proxy))
{
return(pxcmStatus.PXCM_STATUS_HANDLE_INVALID);
}
pxcmStatus sts = UnsubscribeGestureINT(instance, proxy);
maps.gesture.Remove(handler);
return(sts);
}
}
/**
@brief Unsubscribe a gesture event handler object.
After this call no callback events will be sent to the given gestureHandler.
@param[in] gestureHandler - a pointer to the event handler to unsubscribe.
@return PXCM_STATUS_NO_ERROR - operation succeeded.
@return PXCM_STATUS_PARAM_UNSUPPORTED - null gesture handler.
*/
public pxcmStatus UnsubscribeGesture(OnFiredGestureDelegate handler)
{
if (handler == null) return pxcmStatus.PXCM_STATUS_HANDLE_INVALID;
lock (maps.cs)
{
Object proxy;
if (!maps.gesture.TryGetValue(handler, out proxy))
return pxcmStatus.PXCM_STATUS_HANDLE_INVALID;
pxcmStatus sts = UnsubscribeGestureINT(instance, proxy);
maps.gesture.Remove(handler);
return sts;
}
}
/**
@brief Register an event handler object to be called on gesture events.
The event handler's OnFiredGesture method will be called each time a gesture is identified.
@param[in] gestureHandler - a pointer to the gesture handler.
@return PXCM_STATUS_NO_ERROR - operation succeeded.
@return PXCM_STATUS_PARAM_UNSUPPORTED - null gesture handler.
*/
public pxcmStatus SubscribeGesture(OnFiredGestureDelegate handler)
{
if (handler == null) return pxcmStatus.PXCM_STATUS_HANDLE_INVALID;
Object proxy;
pxcmStatus sts = SubscribeGestureINT(instance, handler, out proxy);
if (sts >= pxcmStatus.PXCM_STATUS_NO_ERROR)
{
lock (maps.cs)
{
maps.gesture[handler] = proxy;
}
}
return sts;
}
public GestureHandlerDIR(OnFiredGestureDelegate handler)
{
mfunc = handler;
gch = GCHandle.Alloc(handler);
uDIR = PXCMHandConfiguration_AllocGestureHandlerDIR(Marshal.GetFunctionPointerForDelegate(handler));
}
public GestureHandlerDIR(OnFiredGestureDelegate handler)
{
mfunc = handler;
gch = GCHandle.Alloc(handler);
uDIR = PXCMHandConfiguration_AllocGestureHandlerDIR(Marshal.GetFunctionPointerForDelegate(handler));
}
internal static pxcmStatus SubscribeGestureINT(IntPtr instance, OnFiredGestureDelegate handler, out Object proxy)
{
GestureHandlerDIR gdir = new GestureHandlerDIR(handler);
pxcmStatus sts = PXCMHandConfiguration_SubscribeGesture(instance, gdir.uDIR);
if (sts < pxcmStatus.PXCM_STATUS_NO_ERROR)
gdir.Dispose();
proxy = (Object)gdir;
return sts;
}
