private void nativeOperateHandler(UInt32 invokeId, IntPtr parameter, int err, int type, bool success)
{
GCHandle handle = GCHandle.FromIntPtr(parameter);
Tuple <ControlActionHandler, object> callbackInfo = handle.Target as Tuple <ControlActionHandler, object>;
ControlActionHandler handler = callbackInfo.Item1;
object handlerParameter = callbackInfo.Item2;
handle.Free();
IedClientError clientError = (IedClientError)err;
handler(invokeId, handlerParameter, clientError, (ControlActionType)type, success);
}
/// <summary>
/// Cancel a selection or time activated operation
/// </summary>
public UInt32 CancelAsync(ControlActionHandler handler, object parameter)
{
int error;
Tuple <ControlActionHandler, object> callbackInfo = Tuple.Create(handler, parameter);
GCHandle handle = GCHandle.Alloc(callbackInfo);
UInt32 invokeId = ControlObjectClient_cancelAsync(self, out error, nativeOperateHandler, GCHandle.ToIntPtr(handle));
if (error != 0)
{
handle.Free();
throw new IedConnectionException("Cancel failed", error);
}
return(invokeId);
}
/// <summary>
/// Send a select with value command for generic MmsValue instances - asynchronous version
/// </summary>
/// <param name='ctlVal'>the value to be checked.</param>
/// <param name="handler">Callback function to handle the received response or service timeout</param>
/// <param name="parameter">User provided callback parameter. Will be passed to the callback function</param>
/// <returns>the invoke ID of the sent request</returns>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public UInt32 SelectWithValueAsync(MmsValue ctlVal, ControlActionHandler handler, object parameter)
{
int error;
Tuple <ControlActionHandler, object> callbackInfo = Tuple.Create(handler, parameter);
GCHandle handle = GCHandle.Alloc(callbackInfo);
UInt32 invokeId = ControlObjectClient_selectWithValueAsync(self, out error, ctlVal.valueReference, nativeOperateHandler, GCHandle.ToIntPtr(handle));
if (error != 0)
{
handle.Free();
throw new IedConnectionException("Select with value failed", error);
}
return(invokeId);
}
/// <summary>
/// Send a select with value command for float controls - asynchronous version
/// </summary>
/// <param name='ctlVal'>the value to be checked.</param>
/// <param name="handler">Callback function to handle the received response or service timeout</param>
/// <param name="parameter">User provided callback parameter. Will be passed to the callback function</param>
/// <returns>the invoke ID of the sent request</returns>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public UInt32 SelectWithValueAsync(float ctlVal, ControlActionHandler handler, object parameter)
{
return(SelectWithValueAsync(new MmsValue(ctlVal), handler, parameter));
}
/// <summary>
/// Operate the control with the specified control value.
/// </summary>
/// <param name='ctlVal'>the new value of the control</param>
/// <param name="handler">Callback function to handle the received response or service timeout</param>
/// <param name="parameter">User provided callback parameter. Will be passed to the callback function</param>
/// <returns>the invoke ID of the sent request</returns>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public UInt32 OperateAsync(MmsValue ctlVal, ControlActionHandler handler, object parameter)
{
return(OperateAsync(ctlVal, 0, handler, parameter));
}
/// <summary>
/// Operate the control with the specified control value (time activated control).
/// </summary>
/// <param name='ctlVal'>the new value of the control</param>
/// <param name='operTime'>the time when the operation will be executed</param>
/// <param name="handler">Callback function to handle the received response or service timeout</param>
/// <param name="parameter">User provided callback parameter. Will be passed to the callback function</param>
/// <returns>the invoke ID of the sent request</returns>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public UInt32 OperateAsync(int ctlVal, UInt64 operTime, ControlActionHandler handler, object parameter)
{
return(OperateAsync(ctlVal, operTime, handler, parameter));
}
/// <summary>
/// Operate the control with the specified control value (time activated control).
/// </summary>
/// <param name='ctlVal'>the new value of the control</param>
/// <param name='operTime'>the time when the operation will be executed</param>
/// <param name="handler">Callback function to handle the received response or service timeout</param>
/// <param name="parameter">User provided callback parameter. Will be passed to the callback function</param>
/// <returns>the invoke ID of the sent request</returns>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public UInt32 OperateAsync(float ctlVal, UInt64 operTime, ControlActionHandler handler, object parameter)
{
MmsValue value = new MmsValue(ctlVal);
return(OperateAsync(value, operTime, handler, parameter));
}
