/// <summary>
/// Calls the ActionScript function which is registered as a callback method with the
/// ActionScript ExternalInterface class.
/// </summary>
/// <param name="functionName">The function name registered with the ExternalInterface class
/// corresponding to the ActionScript function that is to be called</param>
/// <param name="args">Additional arguments, if any, to pass to the ActionScript function.</param>
/// <returns>The result returned by the ActionScript function, or null if no result is returned.</returns>
/// <exception cref="System.Runtime.Interop.COMException">Thrown when there is an error
/// calling the method on Flash Player. For instance, this exception is raised if the
/// specified function name is not registered as a callable function with the ExternalInterface
/// class; it is also raised if the ActionScript method throws an Error.</exception>
public object Call(string functionName, params object[] arguments)
{
try
{
string request = ExternalInterfaceSerializer.EncodeInvoke(functionName, arguments);
string response = _flashControl.CallFunction(request);
object result = ExternalInterfaceSerializer.DecodeResult(response);
return(result);
}
catch (COMException)
{
throw;
}
}
/// <summary>
/// Calls the ActionScript function which is registered as a callback method with the
/// ActionScript ExternalInterface class.
/// </summary>
/// <param name="functionName">The function name registered with the ExternalInterface class
/// corresponding to the ActionScript function that is to be called</param>
/// <param name="args">Additional arguments, if any, to pass to the ActionScript function.</param>
/// <returns>The result returned by the ActionScript function, or null if no result is returned.</returns>
/// <exception cref="System.Runtime.Interop.COMException">Thrown when there is an error
/// calling the method on Flash Player. For instance, this exception is raised if the
/// specified function name is not registered as a callable function with the ExternalInterface
/// class; it is also raised if the ActionScript method throws an Error.</exception>
public Object Call(String functionName, params Object[] arguments)
{
try
{
Trace.WriteLine("ExternalInterfaceProxy.Call:EncodeInvoke\n");
string request = ExternalInterfaceSerializer.EncodeInvoke(functionName, arguments);
Trace.WriteLine("ExternalInterfaceProxy.Call:CallFunction-" + request + "\n");
string response = _flashControl.CallFunction(request);
Trace.WriteLine("ExternalInterfaceProxy.Call:DecodeResult\n");
object result = ExternalInterfaceSerializer.DecodeResult(response);
return(result);
}
catch (COMException)
{
Trace.WriteLine("ExternalInterfaceProxy.Call:COMException\n");
throw;
}
}